NYPD detective Ellie Hatcher is investigating a series of murders linked to an online dating service. She is needed as date bait but her past could also prove useful: her policeman father spent his life obsessively pursuing a notorious serial killer.

Soon Ellie finds herself enmeshed in the world of internet dating, a place of stolen identities where no one is who they appear to be. But when the killer begins to mimic the monster that destroyed her father, Ellie knows the game has become personal...