Luka, Abby, Pratt, Morris and the team treat the victims of collision between a big-rig and family car, including the wife of the truck driver and the son of the car’s driver. Sam celebrates her birthday in the ER and meets photographer who changes her outlook on life. Neela and Ray share some subtle signals, but what’s up? Gates is shadowed by a medical student who notices his errors. Wedding plans continue as Luka and Abby try to decide where to be married, but someone else is handling the bachelor party.