Chicago cop Kitten "Kit" Rycroft works vice. Undercover. Every night. The beat is tough, but Kit was born to serve and protect. One summer night, a sting operation goes bad and Kit leaps in front of a bullet meant for her partner. As she leaps, she sees a vision of the sexy man she's dreamed of for months standing on a beach extending his hand to her.
Detective Sebastian Sullivan sees the woman who's haunted his dreams about to die. He reaches out and pulls her into his world – Mag Mell. In Mag Mell, women emerge from the sea to be the perfect mate for one man. They're guarded, coddled, loved and cherished. Usually. Sometimes though, they're bought and sold. Each woman has three days to decide whether she'll stay or return to her world. Sebastian plans to give his precious mate a life of pampered luxury in his fortress of a home...even if he has to bolt her in.
Everything changes when a woman is kidnapped. Kit throws herself into the search whether Sebastian wants her help or not, but she has to work fast. After all, she only has three days to prove women can be cops, three days to save the victim, and three days to make a big decision – should she stay or should she go?