The protagonists of "Phineas and Ferb" are brothers from England - Phineas and Ferb. They take risks every day! Phineas, the elder brother, is a 9-year-old creative boy with a mind full of amazing big plans. He is not afraid of difficulties and is brave enough to try. In his eyes, nothing is impossible; Ferb, the younger brother, is a little giant of action. Although he is very silent, he can always implement Phineas' big plans and turn the impossible into possible. Their biggest natural enemy is their elder sister Candice, who is a natural snitch and tries every means to complain to her mother to catch Phineas and Ferb's pigtails. Isabella, a good helper of Phineas and Ferb, is a little Hispanic girl who secretly admires Phineas and always tries her best to help the two brothers fulfill their various wishes. But the most unexpected thing is that Phineas and Ferb's pet Terry is actually a righteous spy named Artest who is responsible for protecting the safety of the earth! This family is crazy and funny, what kind of story will happen?