 Filled from front to back with stock footage taken from the Columbia serials "The Phantom-1943" and, primarily, "The Desert Hawk-1944", with John Hart and the always-dull Rick Vallin making less-than-adequate substitutes for Tom Tyler and Gilbert Roland, this Sam Katzman "production" finds the mighty jungle avenger and legendary Captain Africa (John Hart) - A "Phantom" rip-off that side-stepped the need to pay King Features another fee for using the character - pledging to see that the legitimate Arabian caliph, Hamid (Paul Marion), is restored to the throne which a tyrannical rival has usurped. He is joined in this enterprise by adventurer Ted Arnold (Rick Vallin), wild-animal trapper Nat Coleman (Bud Osborne), and his assistant Omar (Ben Welden) and, to cover all bases, the Arabian princess Rhoda (June Howard). This rambles on for 15 chapters as they are beset by guards of the tyrant caliph, desert outlaws, wild beasts of the jungle, and a pair of white adventurers, Boris (Lee Roberts) and Greg (Terry Frost), (doing the work of dozens for budgetary reasons) who have a vested interest in keeping the usurper on the throne.