Contract killer Santana Masters doesn't need anyone or anything except her next assignment and the lucrative payment that goes with it. Her life is just the way she likes it, well-ordered and intentionally devoid of emotion. Then a chance meeting with a beautiful stranger tempts her to do the one thing she's always managed to avoid: fall in love.

Tech company CEO Brooklyn DiVincenzo's world is rocked when she witnesses her best friend's brutal murder. Instead of turning to her dysfunctional family for support, she seeks comfort from someone who doesn't have a stake in how she feels—the alluring and dangerous Santana Masters, who keeps her own feelings carefully locked away.

Brooklyn's decision to trust Santana might end up costing more than just her heart.