When their only daughter Blair leaves the family nest, Luther and Nora Krank decide to book an island cruise to beat the yuletide blues and just skip the holidays. But their decision to boycott tradition has the whole neighborhood in an uproar, and when Blair calls on Christmas Eve to announce a surprise visit with her new fiancée, the Kranks have just twelve hours to perform a miracle and pull themselves and their neighbors together to throw the best celebration ever!
When perpetually single, aging music industry exec Harry Sanborn, and his latest trophy girlfriend, Marin, arrive at her mother's beach house in the Hamptons, they find that her mother, playwright Erica Barry, also plans to stay for the weekend. Erica is scandalized by the relationship and Harry's sexist ways. But when Harry has a heart attack while there, and the doctor prescribes bedrest, his only option is to stay at the Barry home. Left in the care of Erica and his doctor, a love triangle starts to take shape.