Castle (2009): Season 5, Episode 3

5 - 3: Secret's Safe With Me

When a young woman is mysteriously murdered, Beckett and Castle discover her death may be linked to a repossessed storage unit up for auction. Was the unit connected to her death? Was something inside it worth killing for? The investigation leads Castle and Beckett to colorful "Storage Wars"-like treasure seekers and Manhattan socialites as they uncover the shocking truth.