Deadly Strike, also known in the West as Breakout from Oppression, is a 1978 Hong Kong martial arts action film directed Lau Kar-leung and his adopted brother Gordon Liu, the latter helming his directorial debut.

He rushes home and outside his house he sees three men running for the door.

Then the dying Sam interprets the incident to To that three thieves passed by and was fascinated by the beauty of To's sister and then proceeded to gang rape her, while his mother and younger sister was yelling and the thieves killed the two.

In town, a mean man named Au San-yeh owns a firework factory who treats his workers as slaves while not paying them fairly.

To avenge his family, To pretends to help Au against the Cheung brothers who always opposes him.