Sarah begins to develop feelings for Jake, and she insists on going with him to find the cargo he dumped so that she can investigate the gold monkey, which the American government is also interested in. Also accompanying them is the German officer who killed her partner. Meanwhile, Reverend Willie Tenboom and Princess Koji also go to the island to find the gold monkey.
Jake and Corky fly an Englishman to an island near Bora Gora to visit his son in prison. They are caught trying to spring him from captivity, resulting in their own imprisonment. They won't survive long in the harsh living conditions enforced by the sadistic warden, so they must find a way to escape from the island.
Years ago, Sarah's archaeologist father attempted to find the lost tomb of the Pharaoh Ka. Before he could finish his research he was murdered by a man dressed as the Egyptian god Anubis. Now, a chest containing all of his work is sent to Sarah. This is followed by the arrival of his assistant (who happens to be Sarah's ex-fiancé), who believes that the tomb is not in Egypt at all, but is actually on an island near Bora Gora.
A plane is shot down while on its way to deliver a shipment of state-of-the-art scopes to the flying tigers. Knowing that these scopes could mean victory for whichever side claims them, Jake feels that it is his responsibility to find the wreckage before the Japanese do.
A Japanese fighter pilot looks to avenge the death of his brother, who was shot down by Jake during his days as a Flying Tiger. Also, Jack gets his eye back and Corky accidentally gets married to a native.
While Jake is flying a routine job the Goose's engines fail and he crash lands on an island inside the Japanese Mandate. He is rescued by an Amish woman and her son, who agree to harbor him until he can find a way to radio his friends for help.