Cassie Smith, facing unemployment, transforms her passion for Christmas into a thriving business, "Calling Mrs Christmas," offering services like gift wrapping and tree decorating. Her venture gains popularity, leading her to assist Carter Randall, a wealthy single father aiming to create a memorable Christmas for his children. As their professional relationship deepens, Cassie finds herself torn between her growing feelings for Carter and her commitment to her partner, Jim. A trip to Lapland presents a life-changing decision for Cassie, challenging her to choose between love and loyalty.