Kevin McCallister's parents have split up. Now living with his mom, he decides to spend Christmas with his dad at the mansion of his father's rich girlfriend, Natalie. Meanwhile robber Marv Merchants, one of the villains from the first two movies, partners up with a new criminal named Vera to hit Natalie's mansion. Written by Anonymous

George Monroe is a lonely and sad man. Divorced for ten years, he lives alone on the Southern California coast with his pet dog in the same run down shack he has lived in for twenty-five years, the shack which his father passed down to him. In the intervening years, ostentatious houses have sprung up around him. He's been at the same architectural firm for twenty years in a job he hates, which primarily consists of building scale models. On the day that he is fired from his job, he is diagnosed with an advanced case of terminal cancer, which he chooses not to disclose to his family. In many ways, this day is the happiest of his recent life in that he decides to spend what little time he has left doing what he really wants to do, namely build a house he can call his own to replace the shack. He also wants his rebellious sixteen year old son, Sam Monroe, to live with him for the summer, hopefully not only to help in the house construction, but for the two to reconnect as a family. ... Written by Huggo