Barbie raced around her pink house, frantically searching for the homework she had completed the night before. Her dog, Mr. Ruff, wagged his tail excitedly, but Barbie couldn't help feeling worried. Where could it be?

Barbie's sisters, Chelsea, Skipper, and Stacey, joined in the search, tearing through every room, but the homework was nowhere to be found. Suddenly, Mr. Ruff let out a loud bark, and Barbie realized with horror that he had been the culprit - he had eaten her homework!

Panic set in as the girls realized they couldn't redo the assignment, since they had forgotten the original paper. Desperate, they rushed to the store, hoping to find a solution. To their delight, Barbie's friend Ken was there, and he happily offered to help them out.

With Ken's assistance, the girls were able to recreate the homework, but as Barbie was finishing it up, she accidentally fell asleep and scribbled all over the paper. Luckily, her sisters were there to save the day, quickly helping her redo the assignment again.

The next day, Barbie nervously handed in her homework to her teacher, Professor Lucky. To her surprise and delight, the teacher loved it and gave her an A+! Barbie was relieved and grateful for the help of her family and friends in solving the incredible missing homework mystery.