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.
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 One Of Us Is Lying - Season 1
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. The group eventually discovers that Simon had planned