Plot

In Ebensee, the teenagers Nina, her boyfriend Martin, Clemens, his girlfriend Alex and Mona are best friends since their childhood. On their high-school graduation day, they all receive the same text message, "In three days you will be dead!", but they believe is a stupid joke from their weird schoolmate Patrick. However, when Martin is found dead in the Lake Traunsee, the group realizes that it is not a prank. When Nina is attacked and Patrick is killed trying to save her, they recall a tragic incident from their childhood.—Claudio Carvalho, Rio de Janeiro, Brazil

"In 3 days you're dead!" At first, Nina and her friends think this SMS is just a stupid joke. But no one is laughing when Nina's boyfriend is found tied to a concrete block at the bottom of a lake the next day. When another member of the group is savagely attacked everyone is paralyzed with dread. They're all on the murderer's list. But why? Nina is the only one who discovers a mysterious clue leading to the brutal killer's identity. As the body count rises and the slayings become more and more vicious, still no-one believes her and time is running out .—Allegro Film