When drunken Canadian trapper Raoul La Fane attacks his young wife Marie, she takes a shot at him. La Fane falls, and Marie, thinking she killed him, flees into the white wilderness. Years later her secret comes back to haunt her.
Discouraged with life, Michelo throws his daughter Lucia into the sea, but she falls into a fisherman's boat and is taken to a fishing village. Francisco kidnaps her and takes her to the headquarters of smuggler Dr. Chong Foo, located in a studio occupied by Pietro Savori, an unwilling partner. Chong Foo kills Savori to gain the girl for himself, but Bevani comes to the rescue and saves Lucia for her sweetheart, Guido.
