Character Relationship Map: Due Date

Characters

• Peter Highman (played by Robert Downey Jr.) — protagonist

  A successful architect traveling from Atlanta to Los Angeles to be with his wife Sarah, who is about to give birth. Stranded after an airport incident, he is forced to road-trip with Ethan, facing num...

• Ethan Tremblay (played by Zach Galifianakis) — protagonist

  An aspiring actor traveling to Los Angeles to scatter his deceased father's ashes at the Grand Canyon. His erratic behavior and misunderstandings strand Peter, leading them on a chaotic road trip wher...

• Darryl (played by Jamie Foxx) — supporting

  Peter's friend who provides assistance after Peter's car crashes. He initially tries to separate the travelers, hosts them at his house, accidentally consumes Ethan's father's ashes, and lends them hi...

Story Dynamics

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

• Darryl → Ethan Tremblay (Social Temporary Host) — Darryl briefly offers Ethan shelter despite their tense interaction.

  Darryl lets Ethan stay at his house with Peter after the crash.

• Peter Highman → Darryl (Social Friend) — Darryl is an established friend and emergency support for Peter.

  Peter calls Darryl for assistance after the car crash, and Darryl allows both travelers to rest at his house.

• Peter Highman → Ethan Tremblay (Narrative Forced Travel Companion) — Their involuntary road-trip partnership drives the entire story.

  After both men are removed from the plane, Peter agrees to drive with Ethan to Los Angeles because he is stranded and has no identification.

Story Analysis

A desperate cross-country journey transforms an accidental partnership into an unlikely friendship.

Plot Progression

1. A Flightless Partnership — Peter meets Ethan on the way to the airport, but Ethan's reckless language gets them removed from the plane. With Peter stranded and missing identification, the two begin an unwanted drive to Los Ange...
2. Ashes and Abandonment — Financial problems and a violent money-transfer dispute deepen Peter's resentment. Peter briefly abandons Ethan at a rest stop but returns after realizing that Ethan's father's ashes are still with hi...
3. A Friend's Unstable Refuge — Ethan crashes the car, forcing Peter to call Darryl for help. Darryl hosts them, advises Peter to continue, and lends them a Range Rover after the ashes misunderstanding ends the visit.
4. Border Escape — Peter and Ethan briefly bond before Ethan's mistaken border detour separates them. Ethan then steals a truck and breaks Peter out, creating a dangerous but renewed partnership.
5. Canyon Confessions — Peter helps Ethan scatter his father's ashes at the Grand Canyon. Ethan reveals that he kept Peter's wallet, provoking rage before Peter's urgent family situation forces them onward.
6. Blood and Belonging — Ethan accidentally shoots Peter, but they still reach the hospital in time. After the safe delivery, Ethan pursues acting work and the final television appearance confirms their friendship.