Welcome to a town known as Dan Ville, in this town, two boys grew up with their big sister. The boys spent may a day creating gadgets and widgets, to get the most out of each day. Their now grown and returned to Dan Ville for visit. The first is Candace Flynn, who married her teen crush Jemery, she has long red hair, next is Pheanis Flynn.

He's the younger brother of Candace, he also has red hair, and married he child hood friend Isabella,

who was a fireside girl, so she has many of skills. Then theirs Ferb Fletcher,

the adoptive, maybe twin of Pheanis, no ones completely sure, due to he's related to their fathers side of the family, so maybe cousin. Doesn't matter, he was raised as Pheanis 's brother either way.

He never married though, he did have a go at engagement with Vanessa Dofensmirts, but she ended up leaving him for another.

Well any way they came to visit their patents Linda Flynn / Lindonna

and their father Lawerence Fletcher / Max modem.

But what they don't realize is the day they return, is the day every thing changes, due to one of the boys Halloween endeavour s from when they were kids.