Tre arrives unannounced at a secluded mountain home where his friends Gabe and Kakela allow him to crash on their couch. But Kakela becomes increasingly annoyed with Tre when he begins a revenge-fueled sexual affair with her best friend, Nina. As Kakela watches Nina's marriage unravel, she begins to question her devotion to Gabe. Unsure of her motives, she accepts a dare devised by Tre - a simple 10-second experiment that changes her life forever.