joyous high school student be celebrate their recent graduation . a big dance be plan and a short vacation trip to an alpine lake . a group of the student become concerned when each receive a text message warning of their death in three day . most believe it be a sick joke from a fellow classmate that have a vendetta . and if so and who and why . thing get real serious when a student be find dead . now survive student fear time be run out before they figure out the motivation and identification of the killer . the cast include represent sabrina reiter and julian sharp and julia rosa stockl and laurence rupp and nadja vogel and karl fischer .