"This ship leaves for the Caribbean Island after the successful completion of the muster drill. Please report to your muster station and await instructions from the responsible crew personnel at the sound of the alarm. Happy sailing!"

Buddee and Friend's second trip in book one, the four didn't find the secret box on the holiday cruise ship but had a fantastic time trying! So, the four Buddee, Paige, Ajay, and Sofia returned this year in pursuit of it. That is where the story begins, a new start to the holiday on vacation with parents. The four kids are not alone in the search. There are other kids on the ship also seeking to find the secret box win.

This time! Instead of searching the cruise ship, everyone disembarks in search of the secret box inside a ninety -year-old haunted castle on the island, where the cruise ship docks.