Remember 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.

After an unexpected tragedy, they were trying to figure out who was planning them to come to this deserted island…. But the more they search, the more they learn the secrets from the past. The secret of the people they call friends…. Plus, one of them was an assassin who assassinated them with an unpredictable purpose.

After an unexpected event Dan no longer trusts his best friend Bill, Plato and Ken try to figure out who planned the whole thing. A group of close friends began to distrust each other, until it leads to another bloody event

Plato, Ken, Gel, and Fone decide to leave the group. But there is a reason to make Sonar, Nest, and Mind secretly follows the four…. After group separation, all friendship shatters. Bill and Bozo decide to do whatever it takes to survive.

Sonar and Nest decide to team up with the people they've always hated, Bew and Bozo hunt down for the person they suspected of planning the whole thing… These events set this deserted island on fire.

Once again, the situation was nearing the point of bloodshed… The secrets of the past began to be revealed until they didn't know whom else to believe… The killer then made a major move to make the island soak in blood.