Leah's 30th birthday is on the same day as her brother's wedding. Her childhood crush is back in town for the wedding and he is determined to make sure her birthday does not go by the wayside.

Single mom Maggie O'Donnell (Ashley Williams) is facing Christmas alone, until stranger Lucas Cavelli (Niall Matter) crashes into her life and becomes an unexpected house guest. Together, they overcome Christmas, while finding comfort in their growing bond.