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.
李心潔
as Gao Jing
梁洛施
as Xiao Kai
張震
as Simon
郭晓东
as Dave Chen
梁家輝
as Dr Edward Tong
張震嶽
as Haiya Amu
Julie Yip
as Aida
盧希萊
as Red Shoe Ghost
鄭毅邦
as Funeral Parlor Staff
潘卓明
as Old Funeral Parlor Staff
Yuk-Bing Woo
as Uncle Chen
刘冠雄
as Uncle Chen Colleague
