Air Date: January 24, 2011 at 12:00 AM PST
Beckett meets with the retired detective who handled her mom's homicide case, but he is killed right before he can tell her anything. The subsequent probe leads to a decades-old conspiracy that may reveal who murdered Beckett's mother. All the drama leads up to the big Castle and Beckett kiss! Original air date: January 24, 2011. Read the full recap here.