In the shadowy world of covert operations, Carly Fletcher and Bo Harris were presumed dead, a convenient fiction crafted by the CIA. But the truth was far more complex. Relocated to Europe under the guise of witness protection, they believed themselves safe, ready to carve out a new life.

Fresh revelations emerge, crushing the hopes of a new start. Before long, they come to the grim realization that the individual who inflicted so much pain, is once again pursuing them.

Meet Agent Stacey Canter. She and Carly have a shared history, forging a bond as strong as sisters. Stacey has consistently watched over Carly, but presently finds herself swamped with a high-profile serial killer case delegated from the upper echelons of authority.

Stacey tries her best...but sometimes her best, just isn't enough.