Ferb has a secret. On the surface he's a brilliant, yet silent inventor who creates breathtaking inventions with his brother. Behind the scenes, he makes sure that they never fall into the wrong hands with the help of a certain animal agency. However this double life is tested when a rival agent begins to challenge him, one with their own mysterious agenda.

What if Isabella didn't exist as a person, but as an imaginary friend from Phineas' past? How would The Gang be affected? After years, Isabella returns and this time, Phineas is determined to never let her go. As the summer progresses and Isabella's existence becomes more and more dubious, Phineas embarks on a quest to make his dream girl reality (Reboot in progress)