A college student named Tree Gelbman is murdered on her birthday and wakes up in a time loop, repeating the same day over and over again. As she tries to uncover her killer's identity, Tree goes through various loops, crossing off suspects and narrowing down the list. With each loop, she becomes stronger and smarter, until she finally confronts the truth and stops the loops. Along the way, Tree learns to appreciate life and make better choices.

In 'Happy Death Day 2U,' Tree Gelbman finds herself trapped once again in a time loop, but this time with a twist. As she tries to uncover the identity of her killer, she realizes that the consequences of her actions are more dire than she could have imagined.

The third installment in the Happy Death Day franchise. Plot TBA.