Key witness Alex Trimboli's account of the incident comes under fire when other students doubt his boasts of drunkenness and sexual exploits.

Peter scrutinizes the motives of Ms. Shapiro, the Spanish teacher who testified against Dylan. Another teacher makes a surprising accusation.

Peter takes a close look at the "Morning Show Nine," a group of students -- including Peter and Sam -- who had access to the missing security footage.

As Peter and Sam continue to gather information, they run afoul of the school administration and could lose access. Dylan prepares for his trial.

Peter and Sam follow a lead that could reveal the vandal’s primary target, and a new theory gives them hope that they may finally solve the case.

Peter is forced to reckon with his actions and attempts to learn lessons in the aftermath of the documentary. But the investigation might not be over.