 When Bud and Lou arrive they are mistaken for company spies, and the Sheik and Axmann attempt to murder them.As each attempt fails, the assassins' hatred for Bud and Lou intensifies, especially when Lou outbids the Sheik for six slave girls, one of whom, Nicole (Patricia Medina), is actually a French spy assigned to gain entry into the Sheik's camp.The boys are then chased, only to wind up hiding at the Foreign Legion headquarters, where Axmann tricks them to join.