"This isn't over yet." He turned on his heels, walking out under the watchful glares of the other animal agents and Monogram. "I will be back, and the OWCA will suffer for what it has done." Phineas, Ferb and their friends run into some trouble with one of OWCA's old enemies. First adventure story that focuses mainly on technology. Rated T for mild violence. Mild Phinbella.