It's Taco the squirrel's birthday, and all of his little animal friends are planning a big surprise for him—they're going to make him a birthday cake! The only problem with their plan is that none of them know how to make a cake. So, as this sassy crew of critters is known to do, they set out to learn all they can about birthday cakes and how to make one, with spectacularly disastrous and delightful results.