The whole family takes Haley to a bar to celebrate her 21st birthday; Phil and Jay hit a snag while trying to pick up Haley's present; Lily asks Alex, Luke and Manny where babies come from.
The detectives investigate when woman visiting from Buffalo, N.Y., claims her car was stolen with her baby in the backseat.
Casey is forced to use extreme measures to save a father and daughter from an acid spill; Dawson and Brett respond to an elderly woman who has a difficult senior advocate; Otis shares some exciting news.
A woman is found murdered in a grisly scene, leading the team to uncover a game in which people pay to experience terror.
The hospital's biggest donor is insulted by Coop; Jackie reconsiders her affair with Eddie.