Lance and Mata both set out to rescue Prof. Sir Reginald Rhesus, archaeologist and A.P.E. agent on assignment to discover the hiding place of C.H.U.M.P.'s ill-gotten horde of gold. But C.H.U.M.P. gets word of this and sends all their agents to kidnap him. C.H.U.M.P. has taken pictures of all their agents and it's up to Lance and Mata, disguised as doctors, to steal the microfilm from Dr. Strangemind.