Story of a dog that is fanatically devoted to its master.

A young lawyer is determined to identify who is murdering members of a wealthy New York publishing family.

A circus wild animal trainer searches for the son who was taken away from him by a meddling relative years earlier.

A traitor is lurking somewhere aboard the USS Carolina, and Lt. Tom Randolph is determined to find the offender. First a revolutionary new piece of technology -- an electric firing device -- is sabotaged. Then one of the cruiser's crew is murdered. In order to catch the killer, the captain locks down the ship. With foreign dignitaries, corporate goons and even Tom's girlfriend, Betty, trapped on the vessel, there is no shortage of suspects.