Plot: CHEUNG PO-TSAI, aka "The Devil", attempts to fire the cannon by using TAI-MUI as the human cannonball, ahead of which his archrival WONG YI, one of the Black Flag pirates, makes a sudden appearance, scheming to seize control of the Qing ship taken by CHEUNG PO-TSAI. In order to escape the shooting range of WONG YI's cannon, CHEUNG PO-TSAI has his crew throw the goods stored in the cabin into the sea and detain TAI-MUI in the cabin