"Happy Death Day 2U" is a 2019 horror-comedy film directed by Christopher Landon. It serves as a sequel to the 2017 film "Happy Death Day." The story follows Tree Gelbman, who, after escaping a time loop that forced her to relive her murder, finds herself trapped in another loop. This time, she must confront new threats and uncover the mystery behind the time loop's origin. The film combines elements of slasher horror with science fiction, exploring themes of friendship and sacrifice. It features a mix of humor and suspense, as Tree navigates her challenges while trying to save her friends from a new killer. The film's unique premise and engaging characters contribute to its appeal.