A tired young woman and an old gay man get stuck in an elevator for 90 minutes, proceed to become best friends.
Somni-451 listening to Hae-Joo's heartbeat.
"What is an ocean but a multitude of drops?"
Cavendish risking his escape to pick up the fourth member of his escape group.
This ultimately works out well for him, as Meeks returns the favor by saving them when their pursuers find them.
Frobisher's "All boundaries are conventions" speech in the film, combined with moments from all six storylines in which boundaries of race, class etc. are all transcended by love: Frobisher and Sixsmith joyfully smashing china, Sonmi-451 and Hae-Joo making love, Zachry giving Meronym his blanket, and Adam and Autua watching a sunset together.