One of Us Is Lying is an American teen drama mystery television series. The series is based on the 2017 novel of the same name by Karen M. McManus. It follows five high school students who enter detention, where one of them dies under suspicious circumstances and an investigation ensues. In January 2023, the series was canceled after two seasons.
Simon, Addy, Cooper, Bronwyn, and Nate are given detention at Bayview High. Simon, known for starting an online gossip group with his friend Janae to snitch on his classmates, suffers a sudden and fatal allergic reaction.