A lonely child, neglected by her parents, encounters and befriends a German Shepherd, but she's unaware the animal is a military dog being trained for service in WW2.
A fugitive, dangerous madman reaches an English village where he confronts his former partner who left him for dead in the jungle after their discovery of a diamond mine. When the former partner also claims to have since lost the mine and all its wealth, which he took all for himself, and though the partmer is still living in a state of luxury , the madman takes up an offer from a crazed scientist to make him invisible, something the scientist has already done with experimental animals, so that he can take revenge.
In the 1890s lumberjack John leaves Seattle for Alaska to look for gold. After he marries dancehall girl Sally, he finds she used to be in love with his best friend Blackie.