9 people from Legend Entertainment fly on a private plane to a concert. The 9 people consists of entertainers Seo Joon-O (Jung Kyoung-Ho), Choi Tae-Ho (Choi Tae Joon), Ha Ji-A (Lee Sun-Bin), Lee Yeol (Chanyeol), Yoon So-Hee (Ryu Won) and staff members Ra Bong-Hee (Baek Jin-Hee), Jung Ki-Joon (Oh Jung-Se), Hwang Jae-Kook (Kim Sang-Ho), Tae Ho-Hang (Tae Hang-Ho). The plane then becomes involved in a mysterious crash. The 9 people survive, but are stranded on a deserted island.
4 months later, Ra Bong-Hee returns to South Korea as the only survivor & witness from the plane crash.