Clay is forced to confront his anxiety on the senior camping trip as a suspicious email threatens to turn the friends against each other.

As the school gears up for the Love Is Love dance on Valentine's Day, disturbing phone calls keep Clay from getting in the spirit.

The police question Tyler about the guns, leaving the friends rattled. Winston transfers to Liberty High after getting expelled from Hillcrest.

After an incident at school, Clay thinks someone's trying to set him up. Zach and Clay land in hot water during a college tour.

Clay's mental health continues to decline as the friends wrestle with difficult emotions during their college admissions interviews.

The Jensens make the boys take a drug test. When the Liberty parents learn about an upcoming party, Clay suspects that they're tracking the students.

In the wake of the lockdown, the school is on edge — and a troubling abuse of power pushes the students to take action.

The cops question Clay about Bryce's disappearance. Clay remembers the aftermath of Spring Fling, when he raced to cover Tyler's tracks and met Ani.

The police interrogate Justin and Clay about the night Clay pulled a gun on Bryce. Clay discovers that Ani and Bryce's bond ran deeper than he realized.

Clay is released on bail, Ani puts a plan to exonerate him into action, and the truth about Bryce's murder finally comes to light.

One month later, Hannah's loved ones celebrate her life and find comfort in each other. Meanwhile, a brutal assault pushes one student over the edge.

After learning about Chloe's pregnancy, Clay and Ani pay her a visit. Chloe recalls how she leaned on Zach for support -- and that Bryce never knew.

As the police investigation sets the school on edge, Ani remembers that Jessica confronted Bryce. Growing suspicious of Jess, Ani and Clay follow her.

The police search the school after finding steroids in Bryce's car. Alex remembers how Bryce supported Alex after Jessica dumped him.

The cops name Clay as a person of interest in the murder. Ani catches Justin in a lie after learning Bryce bailed him out of a dangerous situation.

The school goes into lockdown, and Clay, Tony and Justin worry about Tyler's whereabouts.

When the dean begins a new investigation and threatens to cancel prom, the friends decide to confide in their parents ... but not about everything.

After Tyler admits he still has a gun, the group keeps tabs on him at school. But their worry deepens when they learn he had a motive to kill Bryce.

The police bring in Tony for questioning. At Bryce's funeral, Ani uncovers two damning secrets.

Five months after Hannah's death, the case against Liberty goes to trial, with Tyler as the first witness. Clay finds a troubling photo in his locker.

Courtney makes a brave decision. Clay's memories of Hannah drive a wedge between him and Skye. Someone trashes the yearbook office.

Tyler and Cyrus embrace their outsider status. Alex fights to recover his lost memories. Ryan and Mrs. Baker look to Hannah's poems for clues.

Hannah's mother returns to town. Urging Clay to protect himself, she reveals that there was more to Tony and Bryce's relationship than Clay knew.

Clay hides a secret from his parents. Concerned about his reputation, Marcus lies in court. Jessica and Alex skip school together.

As the cops close in on Clay -- their main suspect -- violent confrontations at the homecoming game expose that everyone had a reason to kill Bryce.