A meticulously planned apartment exchange becomes a comic chain of logistical, legal, and human complications before finally succeeding.
Story Structure — 6 Plot Phases
The Grand Moving Scheme
Dr. Radosta creates a rapid twelve-apartment exchange and recruits Knotek to help execute it. The project immediately becomes entangled with a legally necessary wedding.
Key Events
The Twelve-Apartment Plan — Radosta designs a rapid twelve-apartment exchange for Prague families. Characters: Dr. RadostaLocation: Prague
Knotek Joins the Operation — Radosta appoints Knotek as an assistant for the complicated operation. Characters: Dr. Radosta, KnotekLocation: Radosta's planning office
The Legal Wedding Problem — Radosta changes the wedding arrangements because the couple must marry before moving. Characters: Dr. Radosta, KnotekLocation: Wedding venue
Knotek Replaces the Best Man — Knotek stands in for the absent best man and becomes involved in the wedding celebration. Characters: KnotekLocation: Wedding venue
Celebration Turns Chaotic
Knotek becomes absorbed in the wedding celebration and organizes a drunken nighttime moving exercise. His behavior threatens the cooperation needed for the exchange.
Key Events
The Wedding Celebration — The reorganized wedding celebration complicates the schedule of the apartment exchange. Characters: Dr. Radosta, KnotekLocation: Wedding celebration
Nighttime Moving Exercise — Drunk Knotek organizes a nighttime moving exercise that ends at Pivoňka's flat. Characters: Knotek, PivoňkaLocation: Apartment building
Knotek Sleeps Away — Knotek sleeps at Pivoňka's flat after the disorderly nighttime exercise. Characters: Knotek, PivoňkaLocation: Pivoňka's flat
The Project Nearly Collapses — The consequences of Knotek's actions make the project appear close to collapse. Characters: Dr. Radosta, KnotekLocation: Apartment exchange meeting
Radosta Restores Order — Radosta preserves the project and requires Knotek to apologize to everyone involved. Characters: Dr. Radosta, KnotekLocation: Apartment exchange meeting
Obstacles in Every Room
Complaints about laundry facilities, washing equipment, and cellar coal create further work. The exchange survives only after Radosta restores discipline and manages the disputes.
Key Events
Laundry Room Complaint — A prospective resident objects to the building's lack of a laundry room and wants the washing machine. Characters: KnotekLocation: Knotek family apartment
The Cellar Exchange — Knotek must exchange cellars and move all the neighboring coal. Characters: KnotekLocation: Apartment building cellar
Unexpected Attic Approval — The prospective resident unexpectedly praises the attic after criticizing other facilities. Characters: KnotekLocation: Apartment building attic
The Refusal at the Threshold
A participant refuses to leave a deeply familiar apartment at the last moment. Radosta persuades the person by explaining the financial consequences of stopping the operation.
Key Events
The Last-Minute Refusal — A participant decides not to move because of attachment to a late husband's former home. Characters: Dr. RadostaLocation: Apartment building
Radosta Calculates the Damages — Radosta persuades the reluctant participant by describing the financial damages caused by refusal. Characters: Dr. RadostaLocation: Apartment building
The Couch That Conceals Everything
Bílek appears dead, so Radosta hides the apparent death to protect the exchange's legal validity. A mistaken couch transfer creates a frantic race to prevent discovery.
Key Events
Bílek Appears Dead — Bílek appears to have died, threatening the legal validity of the apartment exchange. Characters: Dr. Radosta, BílekLocation: Bílek's apartment
The Concealed Body — Radosta arranges the move so Bílek appears to have moved voluntarily before dying. Characters: Dr. Radosta, BílekLocation: Bílek's new apartment
The Promised Antique Couch — Radosta learns that the promised antique couch is connected to the concealed body. Characters: Dr. Radosta, BílekLocation: Apartment exchange route
The Wrong Couch Discovery — The couch containing the body has been exchanged with a similar couch belonging to another household. Characters: Dr. Radosta, BílekLocation: Another exchanged apartment
The Race Against Discovery — Radosta rushes to the second couch before anyone can uncover the hidden duvets and body. Characters: Dr. Radosta, BílekLocation: Apartment exchange route
A Successful Impossible Move
Bílek is discovered alive and merely asleep after packing all night. The twelve-apartment exchange succeeds, while Radosta immediately imagines an even larger sequel.
Key Events
Bílek Wakes Up — Bílek is revealed to be asleep after packing all night, not dead. Characters: Dr. Radosta, BílekLocation: Bílek's new apartment
The Exchange Succeeds — The entire twelve-apartment exchange is completed successfully. Characters: Dr. Radosta, Bílek, Knotek, PivoňkaLocation: The twelve exchanged apartments
Ball Lightning II — Radosta plans a future exchange involving twenty-four apartments. Characters: Dr. RadostaLocation: Planning office
Story Breakdown
The Exchange Concept — Dr. Radosta conceives an unusually large and rapid apartment swap.
Twelve Apartments — The central operation involves a coordinated exchange among twelve apartments.
Radosta's Leadership — Radosta organizes the operation and keeps it moving through repeated crises.
Operational Team — The plan depends on a small group handling coordination and practical disruptions.
Knotek Assists — Knotek supports Radosta but also creates complications through his impulsive behavior.
Pivoňka's Flat — Knotek's nighttime misadventure ends with him sleeping at Pivoňka's flat.
Wedding Disruption — Legal requirements force the wedding schedule to become part of the moving plan.
Date And Place — Radosta changes the wedding date and location to protect the exchange.
Unexpected Best Man — Knotek replaces the original best man and is drawn into the celebration.
Laundry Complaint — The lack of a laundry room and the washing machine become disputed issues.
Coal Cellar — Knotek must exchange cellars and move a large quantity of coal.
Threatened Withdrawal — Personal attachment and resistance nearly stop the carefully coordinated operation.
Attachment To Home — A participant cannot initially leave an apartment associated with a deceased husband.
Financial Pressure — Radosta uses the possible damages to persuade the participant to continue.
Bílek's Apparent Death — A possible death threatens the legal foundation of the entire exchange.
Hidden Situation — Radosta conceals the apparent death until the move can appear voluntary.
Couch Confusion — The couch containing Bílek is accidentally exchanged with a similar couch.
Final Reversal — The most alarming crisis dissolves through an unexpected explanation.
Bílek Awakens — Bílek is revealed to have been asleep after packing all night.
Successful Completion — The twelve-apartment swap is completed successfully.
Future Expansion — The conclusion extends the comic logic of the film beyond its immediate success.
Ball Lightning Two — Radosta begins planning another exchange under a sequel-like name.
Twenty-Four Apartments — The proposed future operation doubles the scale of the original swap.
A comedy about exchange of 12 apartments , which, its organizer, lawyer Radosta, rightly called Action Ball Lightning. To prepare, organize and execute the exchange of twelve apartments is a work worthy champions. Radosta, who was excellently played by Rudolf Hrušínský, solved all sudden difficulties and complications on the fly and with grace. To be sure that the on the D-day everything goes well he prepares a little rehearsal, which reveals many minor issues caused for example by wedding ordered to inappropriate term or hesitation of some participants. Last but not least a night exercise announced by drunk psychologist Knotků, creates a lot of confusion that nearly sabotaged the whole operation.