Seventeen years ago, Layla Trello was murdered and her killer was never found. Enter true-crime fan Piper Gray, who is determined to reopen Layla’s case and get some answers. With the help of Jonas—who has a secret of his own—Piper starts a podcast investigating Layla’s murder. But as she digs deeper into the mysteries of the past, Piper begins receiving anonymous threats telling her to back off the investigation, or else. The killer is still out there, and Piper must uncover their identity before they silence her forever.

Cassie discovers that her stepfather, Rick, a teen psychiatrist, has been illegally prescribing a new behavioral drug to his patients and three teens have died. Before she can report him, Rick commits Cassie to Peaceful Cove, a boot camp for troubled teens in Mexico. Cassie knows she has to get out now, before more teens die. But no one has ever escaped from Peaceful Cove alive and even if Cassie gets over the walls and survives the Mexican desert, will anyone believe her story?

Gabie drives a Mini Cooper. She also delivers pizzas part-time. One night, Kayla, another delivery girl at Pete’s Pizza, goes out with an order and never comes back. To Gabie's horror, she learns that the man who called in the fake pizza order had asked if the girl in the Mini Cooper was working that night. Was Kayla’s fate really meant for Gabie? Obsessed with finding Kayla, Gabie teams up with Drew, who also works at Pete’s. Together they set out to prove Kayla isn’t dead - and to find her before she is.

When Ellie's parents are busted for possession of marijuana, the FBI gives her a choice: infiltrate the Mother Earth Defenders (MED), a radical environmental group, or her parents will go to jail. At first, Ellie is more than willing to entrap the MEDics, but the more time she spends undercover—particularly with Coyote, the green-eyed MEDic that she can't stop thinking about—the more she starts to believe in their cause.

Nell has always wanted to be an actor, but doubts her ability. As a member of her school’s theater program, she prefers working backstage. On the way to a contest, an unexpected blizzard strands her acting troupe in a creepy motel. Soon they meet a group of strangers from another high school—including the mysterious and handsome Knox, who insists they play the game Two Truths and a Lie.