Character Relationship Map: Flood

Characters

• Leonard Morrison (played by Tom Courtenay) — supporting

  Marine physics professor whose theory about the Thames Barrier's flawed location is proven correct. Advises COBRA during the crisis. Reunites with his children at the barrier and ultimately sacrifices...

• Patricia Nash (played by Joanne Whalley) — supporting

  Police Commissioner appointed as emergency coordinator by Campbell. Manages the large-scale evacuation efforts and clashes with General Ashcroft over strategy, advocating for the Morrisons' plan over...

• General Ashcroft (played by David Hayman) — supporting

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Leonard Morrison → Patricia Nash (Professional Advisor) — Leonard provides scientific advice within the emergency operation coordinated by Patricia.

  Leonard is rescued and taken to Whitehall to advise COBRA, while Patricia Nash serves as the emergency coordinator managing the crisis response.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Leonard Morrison → General Ashcroft (Conflict Strategic Opponent) — Leonard's scientific solution conflicts with Ashcroft's destructive military plan.

  Ashcroft rejects the Morrisons' proposed remedy and lobbies the Prime Minister to authorize an air strike against the barrier.

• Patricia Nash → General Ashcroft (Conflict Strategic Opponent) — They oppose each other over the correct strategy for saving London.

  Nash clashes with Ashcroft over whether the Morrisons should be allowed to remedy the situation or whether the barrier should be destroyed.

Story Analysis

A scientifically predicted storm surge overwhelms London, forcing officials and survivors to choose between desperate military action and a fatal attempt to reverse the flood.

Plot Progression

1. The Warning Beneath the Forecast — A storm surge devastates parts of Scotland while official forecasts misjudge its direction. Leonard's computer model reveals that the storm and spring tide could create an unprecedented surge.
2. Three Hours to Evacuate — COBRA realizes that central London will be flooded within three hours and declares a state of emergency. Patricia coordinates a massive evacuation as panic and congestion spread through the city.
3. The Barrier Breaks — The Thames Barrier is overwhelmed and floodwater enters London. Survivors struggle through the Underground and escape into flooded Trafalgar Square while the city suffers catastrophic destruction.
4. Two Plans for Survival — Leonard believes the turning tide can reverse the water flow, while Ashcroft seeks an air strike against the barrier. Patricia opposes the military strategy and supports giving the scientific plan a c...
5. The Final Reversal — The underwater controls require a person to activate them manually. Leonard sacrifices himself, the air strike is aborted, and the receding flood leaves London facing loss and recovery.