Curse of the Arctic Star is the first book in the Nancy Drew Diaries series, rebooting the famous teen detective for a modern audience. Nancy Drew boards a luxury cruise ship, the Arctic Star, with her friends Bess Marvin and George Fayne, expecting a relaxing vacation to Alaska. However, the cruise quickly turns into a mystery when a priceless ice-blue diamond, known as the Arctic Star, is stolen from a locked display case. Adding to the intrigue, the disappearance seems linked to an ancient curse surrounding the diamond. Nancy must navigate the ship's lavish social circles, interview eccentric passengers, and decipher cryptic clues to find the thief before the ship docks and the culprit can escape, all while balancing her vacation with her detective work.