Remember 15 S01 E01 Episode 1

"What did you do when you were 15?"

A mystery message from Lyla, a girl who committed suicide on a deserted island five years ago was sent to her friends, seniors and juniors. The 12 of them returned to a deserted island to pay tribute to Lyla ... And find out about who actually sent this prank message …. But what they encounter is a tragedy that will change their lives forever.