Gilmore and Cookson are rival doctors searching for a fever cure in the middle of a tropical jungle. Distressed with his failure, Cookson offers to let Gilmore test his cure on him but he dies in the process. Then Gilmore realizes Cookson was right all along, causing him to assume his
rival's identity in order to finish the testing. While science takes a step forward, romance gets its feet tangled as Wyatt, Gilmore's girl, and Bishop, Cookson's wife, both vie for the same man. A remake of THE CRIME OF DR. HALLET.