Best friends Ashley Sanchez (Ash) and Ashlee Taylor (Lee) agree that
being a sister can be tough. What they don't agree on is which of them
has it tougher. When they both argue that their situation is worse, the
two girls decide to switch places for a day. Ash can't wait to spend
time with Lee's cool older sister, Mallory. Lee is excited to bond with
Ash's adorable baby brother, Sam. But when the sibling swap doesn't go
as expected, will Ash and Lee still wish to trade places?