During BHU's Dead Week, Caitlin tries to get her academic life in order, as well as elevate her relationship with Jeremy. Ava reluctantly teams up with Zach on a school assignment and Dylan's nerve damage impacts an important music project. Ali continues to make inroads with Taylor, while Mona investigates who left her a mysterious message.

In the aftermath of a shocking event, Ali, Mona and the Perfectionists try to pick up the pieces of their lives. However, new information is uncovered which makes them question everything they think they know.