When Litwak's Arcade closes at night all the characters are free to come out of their own games to visit others. Wreck-It Ralph, the main bad guy in the game Fix-It Felix Jr. vows to change his role and stop being the bad guy in the video game. He may soon find his chance in the saccharine racing game "Sugar Rush", but he soon finds that the game has a harrowing secret revolving around its title character Vanellope von Schweetz and its antagonist King Candy.