Frankie Darro hits the road with Rin Tin Tin, Jr. in a tale of young runaway Frank Courtney and his wild canine pal, Pal. Can the pair claim Frank's inheritance and help a sailor keep his valuable invention from unscrupulous hands? Thrilling chases, explosions, and the old fistfight-on-the-running board stunt highlight this Mascot serial. With George J. Lewis, Boots Mallory. 6 howlingly good episodes; 111 min. Standard; Soundtrack: English.