Everyone in class loves the new student, Tori. Everyone except Molly Mac. Molly thinks Tori is not only a snack bandit, but a best friend bandit, too. Will Molly figure out a way to get her best friend, Kayley, back?

When Molly volunteers to look after Sammy McHamsterhead, the class pet, for the weekend she has visions of training him to do tricks and becoming rich and famous--but when she leaves the cage open and Sammy escapes, she has to either find him or confess her carelessness to her teacher, Mr. Rose.

Molly's class is going on a field trip to the Space Science Center, but Molly thinks they'll be blasting off into outer space. Everyone tries to tell Molly that the trip won't involve visiting outer space, but Molly is sure they're all wrong. When Mr. Rose confirms that they will be keeping their feet on Earth, Molly comes up with a secret plan. Will Molly's secret plan send her into space? Or will she remain grounded?