A tropical storm floods Soggy Meadows trailer park and forces a hungry shark upriver.
Noah spends the perfect first night with the girl of his dreams Avery but gets relegated to the friend zone. He spends the next three years wondering what went wrong - until he gets the unexpected chance to travel back in time and alter that night, and his fate, over and over again.
Counselors are being killed off at summer camp, and Sam (Fran Kranz) is stuck in the middle of it. Instead of contacting the cops, he calls his friend and slasher-film expert (Alyson Hannigan) to discuss his options.
Collegian Tree Gelbman wakes up in horror to learn that she's stuck in a parallel universe. Her boyfriend Carter is now with someone else, and her friends and fellow students seem to be completely different versions of themselves. When Tree discovers that Carter's roommate has been altering time, she finds herself once again the target of a masked killer. When the psychopath starts to go after her inner circle, Tree soon realizes that she must die over and over again to save everyone.