HorrorFantasyThrillerRomance

A man with plans to propose to his girlfriend hides an engagement ring in the ancient underwater ruins off Japan's Yonaguni Island. When he goes missing she must investigate and remember what happened.

Credits

Lee Sin-JieGao Jing

Isabella Leong Lok-SzeXiao Kai

Chang ChenSimon

Guo XiaodongDave Chen

Tony Leung Ka-FaiDr Edward Tong