The Clue Crew adventures revamp the classic Nancy Drew character for the 21st century. Jim Barry's Ice Cream factory is opening soon, and the town is abuzz. All the kids are excited about a super sweet contest to create a brand new flavor using any ingredients they want. But things go sour when a friend's Chock Full of Chocolate recipe goes missing. Now Nancy and the Clue Crew must race to find the missing formula before the contest is over.