T. J. Hooker - Season 3 Episode 3 Chinatown

Responding to a shooting at a cock-fight in China Town, Hooker thinks he catches a glimpse of a face from the past in the crowd. As he investigates the illegal dealing of automatic weapons in the area, the face turns out to be the daughter of a woman who he was once in love with, but had to cut off their relationship after her husband, presumed dead, had turned up alive. But now, the man is involved with the gun dealing, and sees that he has an old score to settle with Hooker...