A college prank invented to distract students from the tedium of final exams turns into a deadly endgame for a tight-knit group of friends known as "the Crew." To win the game of "75," you have to pick up the phone, dial randomly and scare a stranger to death. If you choose a victim who laughs or hangs up on you, the joke's on you. But what happens when you're unlucky enough to pick someone with a sadistic streak?