Five members of the mountain bike club, Sangaja. To ride a mountain bike, we head to Chiaksan Mountain, where Min-joon's Uncle villa is located. After arriving at Chiaksan Mountain and enjoying the ride, strange things began to happen to the party…. And something unidentified chasing them! A desperate survival game for Sangaja's party to survive on Chiaksan Mountain begins.
演員：奧莉薇婭·帕斯卡爾 Christoph Moosbrugger Nadja Gerganoff Jasmin Losensky Corinna Drews Ann-Beate Engelke Peter Exacoustos María Rubio Antonia García Beatriz Sancho Nieto Alexander Waechter 赫蘇斯·佛朗哥 Otto Retzer