Bill Holmes rescues Rinty from a car wreck not realizing that there is a stolen $50,000 diamond necklace hidden in the dog's collar.

Cast:Rin-Tin-Tin, Matty Kemp, Evelyn Pierce, Philo McCullough, Tom Dugan, Allan Cavan,

Genre:Adventure, Family,

country:United States of America,

Production:Warner Bros. Pictures,