After his young son goes missing, Lei (Andy Lau) begins a 14-year quest to find him.
Andy Lau
Lei Zekuan
Jing Boran
Zeng Shuai
Ni Jingyang
Su Qin
Tony Leung Ka-fai
Policeman
Sandra Ng
Female Trafficker
Sun Haiying
Zeng's Own Father
