Twelve-year-old Teddy Fitzroy is the prime suspect when FunJungle's newly-acquired koala goes missing, thanks to a prank staged by middle school bully Vance Jessup.

Teddy Fitzroy must solve the crime of the kidnapped rare and expensive panda, Li Ping.

The local police prove unhelpful when a 500-pound dinosaur skull vanishes from a secret excavation on Sage's family's ranch, so Teddy and his friends conduct their own investigation.

While visiting his girlfriend Summer in Malibu, Teddy stumbles upon two mysteries involving a blown up whale explosion and a string of beach sand thefts, but his investigation is sidetracked by a rumor that his girlfriend is dating a celebrity, leading him to question their relationship.