Tanya is a police detective who is reluctantly partnered with fellow detective Ryan to solve a recent string of heists taking place during high-profile holiday parties around town. They go undercover as newlyweds Tasha and Rupert, moving into the vacant house next to Mr. Miller, the jovial chair of the community’s Christmas committee… and the prime suspect in the case. As Tanya and Ryan partake in the neighborhood’s holiday happenings to keep up appearances and crack the case, they get swept up in Christmas. Before they know it, their cover story as a couple in love starts to become reality.