AllMovie

A tight-knit group of teenagers get in over their heads while investigating a rash of disturbing disappearances in this stylish and youthful thriller from Taiwan. Van Dine, Vance, Fion, and Vivian are inseparable. When local high school begin vanishing into thin air, the four friends vow to get to the bottom of the malevolent mystery. Upon unearthing evidence of a clandestine online society known as the "Autumn Leaves Club", Van Dine and his friends realize the situation is much more serious than any of them suspected.