Brotherhood(1986)

Brotherhood is a Hong Kong crime thriller about two police constables whose bond is tested when one falls from grace. Liu and Keung are skilled partners until Keung is dismissed over a minor infraction. Desperate and broke, Keung turns to crime, dragging Liu into a dangerous spiral. Liu faces internal investigations while trying to protect his former partner, but his younger brother Raymond is assigned to take down Keung's gang. Caught between loyalty and duty, Liu watches his world collapse. When Keung agrees to surrender, it seems like a way out—until the gang decides neither man will leave alive. The film explores how quickly trust erodes and how far men will go to save each other.