The River Heights ice cream factory is hosting a contest to invent a brand new flavor, and eight year old Nancy Drew is ready to win. She and her best friends in the Clue Crew have come up with the perfect recipe. It seems like nothing could go wrong with a contest this sweet. But when another contestant's secret recipe mysteriously vanishes, the fun quickly turns into a sticky situation. Nancy knows that someone in town is playing against the rules. Now, she must use her sharp detective skills to gather clues, interview suspects, and figure out exactly who took the missing recipe. You will need to put on your own thinking cap to follow the trail of clues right alongside Nancy. Can the Clue Crew solve the mystery before the contest is over, or will the culprit get away with a stolen victory?