Cal Gibson

Lily and Marshall try to continue their airport reunion tradition; Barney and Ted offer to keep MacLaren's open during a blizzard so they can meet up with some college girls.

Dr. Carter returns to the ER on crutches; Dr. Greene tries to take charge of a chaotic shift; Abby makes a mistake that could cost a patient's life.

Beckett and Castle must stop a series of events that could result in a war.

The team reopens the 1953 murder case of a 19-year-old aspiring rock 'n' roller when new evidence suggests he was not killed where his body was found.