En 1947, dans une province reculée de Chine, James Carmody, un ancien aviateur, tombe sous la coupe de Mieh Yang, un seigneur de guerre local.

Three former marines have a hard time readjusting to civilian life. Perry can't deal with the loss of the use of his legs. William is in trouble with bad debts. And Cliff can't decide what he wants to do with his life, although he gets encouragement from war widow Pat Ruscomb.

Au cours d'un tournage, le réalisateur interrompt les prises de vues, car le film n'a pas de sens. Il lui manque une histoire d'amour. Jeff, le scénariste, se met au travail et laisse alors libre cours à son imagination.Parallèlement, Ole et Chic, les vedettes de la revue Hellzapoppin, font tout leur possible pour saboter le spectacle pour lequel le régisseur cherche un commanditaire.

One Million B.C. is a 1940 American fantasy film produced by Hal Roach Studios and released by United Artists. It is also known by the titles Cave Man, Man and His Mate, and Tumak. The film stars Victor Mature as protagonist Tumak, a young cave man who strives to unite the uncivilized Rock Tribe and the peaceful Shell Tribe, Carole Landis as Loana, daughter of the Shell Tribe chief and Tumak's love interest, and Lon Chaney, Jr. as Tumak's stern father and leader of the Rock Tribe.