What starts as a YouTube video going viral, soon leads to problems for the teenagers of Lakewood and serves as the catalyst for a murder that opens up a window to the town's troubled past.

The death of another teen raises questions and leads to a rift between Emma and Audrey. A podcaster arrives in town to report on the past and present murders.

Emma discovers that her mother is hiding a few secrets of her past and the killer challenges her to a dangerous game.

Emma learns a heartbreaking secret after a scandalous video leak.

The new prime suspect is someone close to Emma.

Emma reels from yet another death. A secret from the past is uncovered.

Emma, who doubts that the actual killer has been captured, teams with Piper to find answers at the Halloween dance.

Emma races to save another loved one. The killer's identity is revealed.

Emma works through the implications of her father's return. A bloody gift proves Audrey's stalker is progressing. Branson returns to Lakewood.

Emma starts to question her friendships when tensions rise between her and her friends. Meanwhile, Noah reveals his latest theory about the identity of Piper’s accomplice. Noah takes his investigation further.

Eli and Emma go on a criminal adventure. Noah's relationship with Zoe escalates. Brooke and Audrey are lured into a trap by the killer.