A group of high school graduates are excited about their upcoming graduation. However, their excitement turns into fear when they receive text messages threatening their lives. As they try to uncover the identity of the mysterious sender, they find themselves being hunted by a sadistic serial killer. With time running out and their lives on the line, they must find a way to outsmart their attacker and survive the night.

In Dead in 3 Days 2, a group of friends find themselves trapped in a deadly game orchestrated by a serial killer. They must solve riddles and face their worst fears in order to survive. As the clock ticks, their chances of survival dwindle, and they must unravel the mystery behind the killer's motives before it's too late.