Castle (2009)

A Deadly Affair

Aired Sep 20, 2010 · 9:00 PM ET · 45 min

Beckett and her team burst into an apartment on a murderer's trail, just to be surprised when they see Castle, who they haven't heard or seen in months, standing over a dead woman's body holding a gun. Beckett, has no other choice but to arrest Castle until he proves his innocence.