Ronald Zupan is a daring master adventurer! But he actually hasn't experienced any grand adventures . . . YET! When his world-traveling parents are kidnapped on his twelfth birthday, Ronald seizes the chance to prove himself with a dazzling, danger-defying rescue operation. Teaming up with his trusty butler Jeeves, his quick-witted fencing nemesis Julianne Sato, and his pet cobra Carter, Ronald sets course for the jungle of Borneo where his parents were last sighted. If they can crash-land a plane and outrun a hungry snow leopard, surely they can find the secret lair of Zeetan Z, the world's most ruthless pirate! But as their adventure becomes more and more dangerous, can Ronald and his companions muster enough courage to see this adventure through?

Ronald Zupan, his quick-witted fencing partner Julianne Sato, and his trusty butler Jeeves are off on another adventure. This time, they're trying to rescue the movie star Josh Brigand—who was kidnapped from his latest film premiere by the dreaded Liars' Club. As the Danger Gang races to save their friend, they face off with a poisoning poet, a band of Roman candle-wielding thugs, and thousands of feral foxes. When their skills of deduction are put to the ultimate test, will Ronald and his pals be able to stick together long enough to rescue Josh and defeat the Liar's Club once and for all?