Character Relationship Map: Five Star Day

Characters

• Jake Gibson (played by Cam Gigandet) — protagonist

  Jake Gibson is a skeptical Berkeley student taking an ethics course with Professor Birchbaum. After dismissing astrology as superstition, he investigates people born at the same hospital, date, and ap...

• Sarah Reynolds (played by Jena Malone) — supporting

  Sarah Reynolds is one of the people born at the same hospital, on the same date and around the same time as Jake Gibson. When Jake visits her without warning to request an interview, she suspects he i...

• Professor Birchbaum (played by Nick Chinlund) — supporting

  Professor Birchbaum teaches Jake Gibson's ethics course and provides the academic setting for Jake's investigation. Jake plans to present his findings in the class, initially intending to use the proj...

• Samuel Kim (played by Will Yun Lee) — supporting

  Samuel Kim is Jake Gibson's friend. During the aftermath of Jake's chaotic birthday and investigation, Jake speaks with Samuel while trying to deal with the consequences of what happened. Their conver...

• Yvette Montgomery (played by Brooklyn Sudano) — supporting

  Yvette Montgomery is another person born at the same hospital, on the same date and around the same time as Jake Gibson. Jake finds her working at a rehabilitation center and initially creates an emba...

Canonical Relationships

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

• Jake Gibson → Professor Birchbaum (Professional Student) — Professor Birchbaum is Jake's ethics instructor and academic evaluator.

  Jake takes an ethics course taught by Professor Birchbaum and prepares a class presentation for the course.

Story Dynamics

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

• Sarah Reynolds → Yvette Montgomery (Unknown Shared Birthday Cohort) — Sarah and Yvette are linked as participants in the same birth-date comparison.

  The plot identifies Sarah and Yvette as people born at the same hospital, on the same date and around the same time as Jake.

• Jake Gibson → Samuel Kim (Social Friend) — Samuel is Jake's friend and a source of personal contact during the aftermath.

  Jake speaks with his friend Samuel Kim while dealing with the aftermath of the chaotic birthday.

• Jake Gibson → Yvette Montgomery (Narrative Research Subject) — Yvette is another participant in Jake's attempted test of astrology.

  Yvette was born at the same hospital, on the same date and around the same time as Jake, so he tracks her down for his comparison.

• Jake Gibson → Sarah Reynolds (Narrative Research Subject) — Sarah is one of the people Jake studies while testing his theory about astrology.

  Jake discovers that Sarah was born at the same hospital, on the same date and around the same time as him, and seeks her birthday experiences for his...

Story Analysis

A skeptical student tests astrology through a controlled investigation, only to discover that unpredictable human responsibility resists simple theories.

Plot Progression

1. The Zodiac Test — Jake rejects astrology while studying ethics in Berkeley. His birthday inspires him to investigate people who share his birth details and prepare a presentation designed to disprove zodiac claims.
2. Chicago Subject Hunt — Jake travels to Chicago and begins tracking down the other subjects. His unannounced visit to Sarah creates suspicion, while his search for Yvette leads to an embarrassing misunderstanding.
3. Evidence Unravels — Yvette agrees to speak with Jake, and he records another interview. As his own birthday becomes increasingly chaotic, Jake loses control of the experiment and its carefully planned evidence.
4. The Ethical Crisis — A man overdoses in front of Jake, forcing him to abandon detached observation. Jake takes him to a hospital and remains involved until the man is sedated and declared safe.
5. A Shaken Conclusion — Jake speaks with Samuel, learns that his recovered car is waiting, and prepares to return for his presentation. He plans to finish the project on the plane with his certainty about astrology unsettled...