Deanna Day lives a vintage life, wearing antique dresses and dancing through her picturesque, small town like it's the set of a classic movie musical. But when her long-lost love suddenly reappears, she decides it's time to put away the past and focus on making her own happy ending in the here-and-now.

As a young teen, Evan Colter was forced to leave Sweetheart, Texas, because of a scandal involving his father, the mayor. Redeeming the family honor will be an uphill battle since some of the citizens aren't too happy to see the prodigal son return. When Evan's childhood friend, Deanna, suggests they fake an engagement to smooth the way back into people's good graces, he reluctantly agrees. As their pretend kisses turn into real ones, will Evan and Deanna find a timeless love for the ages under their Christmas tree?