An unsolved homicide. Old secrets. And investigators with a past. Cold Case Unit supervisor Phillipa Stevenson is willing to investigate an unsolved murder for her ex-fianc --without his help. Detective Kyle Rossi broke her heart years ago, but she'll find justice for his sister-in-law. Only, the victim isn't who they thought she was. And working with Kyle becomes Phillipa's best chance. As they follow a decade-long trail of betrayal and murder, Phillipa must put aside her heartache to uncover the truth...about the victim's past and their own.