Provider: Eastern (ET) Change
A man resembling Santa Claus is found dead in Central Park, and Castle and Beckett uncover some unsavory things about him as they investigate his murder. Meanwhile, Castle and Beckett prepare to celebrate their first Christmas as a couple.
In the Season 5 opener, a night of passion forces Castle and Beckett to reexamine their relationship. Meanwhile, they must go up against the people who murdered Beckett's mother and are now threatening Beckett's life; and Beckett clashes with a senator.
Castle and Beckett investigate the homicide of an emerging reality star who was part of the cast of "The Wives of Wall Street." Meanwhile, Castle runs into trouble as he searches for a Valentine's Day present for Beckett.