The first season of adapted from Karen M. McManus's bestselling novel, follows five students at Bayview High who enter detention, but only four leave alive. The series originally premiered on Peacock in 2021 and was later released internationally on Netflix. Core Premise & Plot
The group eventually discovers that Simon had planned his own non-fatal allergic reaction as a "prank" with Addy's boyfriend, Jake . However, Jake sabotaged the plan to actually kill Simon and frame the others. One Of Us Is Lying - Season 1
The season concludes with the accidental death of Jake during a confrontation and the Bayview Four receiving a mysterious text from "Simon Says," setting up the conflict for Season 2. The "Bayview Four" Characters & Secrets The first season of adapted from Karen M
After it is determined Simon’s death was a murder, the remaining four students (the "Bayview Four") become primary suspects, as each had a motive to silence him before he could reveal their deepest secrets. Core Premise & Plot The group eventually discovers
Five students—Simon, Addy, Cooper, Bronwyn, and Nate—are given detention. During the session, Simon, the creator of a notorious gossip app called "About That," suffers a fatal allergic reaction.