Castle and Beckett investigate when a bearded man named Kris Kringle falls from the sky in Central Park; Beckett and Castle work on a Christmas list together.

The team deals with an organ donor whose organs prove fatal, and the two surviving patients. Meanwhile, House hires a private detective to spy on Wilson, but hears a few…

Kitty gets a visit from an old friend to do some damage control regarding her pregnancy. But it doesn’t go as planned. Sarah is struggling with Paige, while Justin is…