Lisa is pressured to open a locked unit and, when she enters the wrong code, a fail-safe locks the container holding a five-year-old. Voices argue: a man presses for the password, someone warns he only wants it, and another vows to make him give up. Lisa insists she remembers the date but mixes up July 7 and May 20, stalling attempts to reopen the lock. Oxygen reads 3% as the child's mother pleads, "Save my child." Ann is begged for help, leaving the rescue unresolved as time runs out.