When Tess learns that Jack is struggling to cope with his kids growing up, she has a hard time telling him the truth about wanting to have a more mature fifteenth birthday.
Worried that their friendship might start drifting apart, Tess and Allie try to share each other's interests and instead, end up in the Principal's Office.
Tess, frustrated with her brothers' lack of manners and hygiene, calls in Grandma (a.k.a."the Big Gun") to come teach them a lesson... but ends up getting one in return.
Tess wants to go on a date to prove to her nemesis, Kaylee, that she can be a wrestler and still be attractive to boys, but discovers that might not be the right reason to do it.
Tess breaks her promise to Jack that she wouldn't get her ears pierced until she was fifteen but before she can tell him the truth, he gives her permission... but can she go to a party knowing she lied to get there?
With the Foster family officially too big to share one bathroom, Tess and the boys agree to pick up the slack around the house and Jack takes a second job.
Tess tries getting along with Kaylee after Jack starts dating her mom, but when it proves impossible, she claims nightmares are telling her they shouldn't be together.
A school trip to Italy looks like it will be a disaster when Tess gets roomed with Kaylee, forcing Tess to figure out a way around Kaylee's pestering ways.