All the signs of a psycho killer

A slasher Groundhog Day. A college student Tree is stuck in her birthday where at the end of the day she is murdered. While dealing with the situation, after flipping out a few times, she has time and patience to figure out who has the motive to kill her and how to solve the ghastly dilemma. But to do that she has to die a few times. Curious enough a horror comedy flick and, must say, damn entertaining to watch.