Interior designer Reilly finds herself this Christmas in the town of Mistletoe Lake with no place to stay. She accepts an offer from Ray to stay in his boat, helping him renovate the boat for the town's Christmas Harbor Festival.

When Chelsea's sister vanishes after a late-night shift at a diner, she must convince the police that someone has abducted her. As she races against the clock, she discovers that not only is her sister's life in danger, but the captor is now after her...and they'll stop at nothing until both women are dead.