Señor Scorpion commands a modern pirate ship that stops multi-million-dollar yachts in the Caribbean to collect jewelry, cash and other loot. Despite Rip's warnings, the Clives intend to cruise when and where they wish. With Rip aboard, they are soon the next prey for the pirates.; Fern gets rich men to fall for her and write her love letters while the 'Pen' uses the letters to blackmail them. Rip becomes wise to their scheme and tries to help Fern escape the racket, but the 'Pen' discovers their plan and poisons Rip with a poisoned pen. While Rip is recovering in the hospital, butlers Desmond and Wiggers take over the case, with Wiggers pretending to be the next rich victim.; Rip is caught breaking into a safe and arrested. He escapes and catches a flight to the far-east, where news of his escape from the law in the west brings him into contact with Mr. Ming. But the arrest and escape were all part of a government plan to allow Rip to break a smuggling ring.; Mother Fagin trains girls in the art of being jewel thieves and uses hypnotism to ensure they don't stop working for her.; Tashia Rambeau has been a frequent passenger on the S.S. Ocean Queen, looking for a man with the initials of 'R.K.' who used poetry to make her best friend fall in love with him before swindling her out of $50,000. When Rip boards the ship, she thinks he is that man.; Desmond is informed that he is Lord Desmond, heir to a vast estate. But when Desmond visits the West Indies Estate with Wiggers as his gentleman's gentleman, it turns out to be a plot and his life is soon in danger.; Rip is hired to track down a metallurgist who has come up with a formula for a new alloy that is revolutionary. Soon he encounters a female detective hired by a rival company to find Dr. Lee. The two detectives track him to Europe, but confront thugs who want the formula for a foreign government.; Two thieves kill each other over stolen bonds worth two million dollars and no one is able to find where the bonds are hidden. When an insurance investigator hires Rip to find the bonds, his secretary tips off some crooks about his progress for a share in the loot.; Rip is called in when the star of a new musical is receiving death threats unless she quits the show. He becomes concerned when he learns the show has a dream sequence where she is a trapeze performer and she is to be caught in mid-air by an ardent admirer of her understudy.