Someone is trying to assassinate Princess Koji. After Todo is wounded while saving her life, she persuades Jake to act as her bodyguard until she can discover who is trying to kill her.

Sarah is used as a scapegoat by an island revolutionary who accuses her of removing a sacred statue from a cemetery on the island.

Jake's prospector buddy stands to lose his platinum strike to an unscrupulous businessman from the States.

An ambitious newswoman tricks Jake into flying her to Princess Kogi's island for an interview with the Japanese defense minister, a recent target for assassination.

Louie is sentenced to the guillotine for the murder of a French army deserter, and Jake's only hope of saving him is a story that Louie wants to remain a secret.

A Clipper pilot is beaten and his bride apparently kidnapped by Princess Kogi and held for ransom.

Two nuns carrying vaccinations to a poor village in China land on Bora Gora. Jake recognizes one of them as his former girlfriend and is suspicious of her motives, but when the clipper that is carrying the vaccinations is stolen, the two of them must work together to retrieve it.

Jake agrees to accompany a woman to Tagataya to play in a high stakes poker game. While there, the Japanese capture Jake and the woman in order to reclaim a secret film that contains classified Japanese plans which were stolen by the woman, who is actually a spy.

Jake and Corky fly a British Nobleman to a cruise ship only to find out that this man has planted a bomb on board, and he will tell the captain where it is only when he is given the royal jewels that are on board the ship with the Duke of Windsor.

Jake and Sarah help an abandoned boy found living among the apes on an isolated island.

Gamble Rogers, a famous American baseball player who also happens to be Jake's boyhood hero, arrives in Bora Gora on his way to play a goodwill baseball game in China. During his stay on the island, a young native girl is raped and murdered in his bedroom. Jake believes he is innocent, and he sets out to find the real killer.

A telegram from the Philippines informing everyone of Sarah's death is sent to Bora Gora. Jake doubts that she is really dead, and he and Corky go to Manila to find the truth.

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.

Jake is mystified by several harrowing brushes with death, Sarah is on the trail of a suspicious Japanese bomber, a brawling German sailor turns up with Jack's eye and Corky unexpectedly lands a bride.  

Jake leads the search for a downed plane flown by a former Flying Tiger transporting a prototype gunsight of interest to the Japanese.

Sarah receives a mysterious trunk from her late father and it leads her to a lost civilization.

Jake and Corky are imprisoned on an island penal colony when they try to free the son of an Englishman.

An old friend of Jake's shows up and convinces him to help fly medicine to a malaria stricken Watusi tribe. But Jake's friend may have an ulterior motive.

The Nazis are building a super bomb on an island near Bora Gora. Jake finds a part of the bomb on the body of an escaped native slave, so he decides to investigate.

A mysterious sailor calling himself Captain Ahab comes to Bora Gora and kidnaps Corky, forcing him to fix a broken part on Ahab's ship. Despite suffering from malaria, Jake goes after them.

Freelance pilot Jake Cutter and his mechanic Corky become involved with Nazis and American Sarah Stickney White while searching the south Pacific for a mythical gold monkey.