15 year-old Dizzy Walker and his younger sister Ana are about to meet their mom's new boyfriend, Steve, and his son, Travis, for the first time. To make the introduction go smoothly, Steve offers to pay for Dizzy and his family to meet in Disneyland; Dizzy's favorite place in the world. When they arrive at the theme park, they learn about a once in a lifetime treasure hunt called The Disneyland Quest. Clues are hidden throughout Disneyland, leading the quest participants to the combination of a vault set up on Main Street and the $250,000 prize inside. Dizzy, Ana, and Travis must work together in a race against the clock, thousands of opponents, and the mysterious man in red who follows them throughout the quest. Friendship, perseverance, and trust are all put to the test in The Disneyland Quest.

Dizzy, Ana, and Travis are back in another adventure at the Disneyland resort. After the huge success of the Disneyland Quest, Disney executive Mr. Pegg creates a new treasure hunt, this time at Disney California Adventure, called the DCA Quest. Dizzy's preparation for the quest is interrupted by the surprise return of his dad, who has moved back to California to be with his family again. Dizzy finds his timing suspicious and wonders if his return is related to the DCA Quest. Now the stakes are higher, as thousands of groups register for the DCA Quest in hopes of winning the $250,000 grand prize. Dizzy, Ana, and Travis must compete against familiar faces and new opponents who will stop at nothing to win. The race to uncover the clues and find the combination to the Disney safe is on in the exciting sequel to The Disneyland Quest.

Dizzy Walker is back in the exciting conclusion to The Disneyland Quest series. After graduating high school, Dizzy's lifelong dream of working at Disneyland comes true. Along with his best friend Travis and his girlfriend Megan, the three friends become Disneyland Cast Members hired by the president of the resort, Mr. Pegg. While working at Disneyland, Dizzy discovers a sixty year old secret—Walt Disney hid a private vault somewhere in the park. Walt left clues throughout Disneyland that lead to the vault and the treasure inside, sending Dizzy and friends on a real Quest through Walt's Magic Kingdom. Dizzy isn't the only one that knows the secret of the Disney Vault and the race is on to find the hidden treasure. One man will stop at nothing to claim Walt's treasure as his own and Dizzy and friends face challenges unlike anything they experienced in their previous Quests. Who will be the first to find Walt Disney's treasure? Find out in The Disneyland Quest 3: Unlocking the Disney Vault.