A sudden text message brings together eight friends who have not seen each other for many years in a mountain B&B. They are ready to dig out the time capsule buried in their school days. Unexpectedly, a scandal from the past is unearthed, and the knots and grudges gradually overwhelm their reason. The appearance of the first body symbolizes the end of pure friendship; the appearance of the second body announces the official start of the killing game. The wind and rain block the escape route, and the death toll gradually rises. At a time when everyone is in danger, the person who is unwilling to pull the trigger may be the next body...