A young Frenchman kills his best friend in a drunken fight. He vows never to touch another drop of liquor again, but he goes back to the bottle when he hooks up with seductive Blanche Le Noir, and is soon an alcoholic. Blanche, however, prefers the sinister Lantier, and tries to use Lantier's daughter to get to him. However, the daughter is saved by the efforts of young American RIchard Lee, who marries her. Unfortunately, Lee's sister is seduced by Lantier. Complications ensue.