1) Sarah attends a college party with her roommate Delilah but starts to feel unsure of herself as Delilah leaves her alone on the dance floor.
2) The next day, Sarah is having trouble adjusting to college and feels lonely without her friend Leah. She calls Leah but doesn't feel like she has made close connections with people at school.
3) At a movie night, Sarah becomes confused when she meets two people, Thea and Oz, who look identical to others she had met previously. She starts to question if people are playing a trick on her or if she is losing her grip on reality.