Blue Lightning (1991)

Director: Raymond Lee Wai-Man

Danny Lee is a retired cop investigating the murder of his wife, witnessed only by his son.

Cast

Danny Lee Sau-Yin

Lam Sau Yat

Tony Leung Ka-fai

Insp. Ching Hay

Olivia Cheng Man-Nga

Wong Kwan-Yuen

Lau Siu-Ming

Victor Hon Kwan

Lam Chi-Tai

Lee Siu-Kay

Leung's killer

Cheng Wai-Lun

David Lam Tak-Luk