Frozen woman found tangled in steel bars at a construction site leads Castle and Beckett to a years-old mystery and a long abandoned case. As the two uncover startling revelations about the victim's past, the investigation forces Beckett to face some difficult memories of her own, which provides Castle insight into his muse and additional material for his novel.

When a string of high-end home invasions end in murder, Castle and Beckett must determine who is orchestrating these violent robberies before they strike again. But to catch this deadly thief, Beckett must go way out of her comfort zone to enter Castle's glamorous, paparazzi filled world as his date to a charity ball. Meanwhile, Castle seeks the counsel of a dangerous ex-jewel thief who had once threatened to kill him.