 The program follows Phineas Flynn and his stepbrother Ferb Fletcher on summer vacation.Every day, the boys embark on some grand new project; these are usually unrealistic given the protagonists' ages (and are sometimes downright physically impossible), which annoys their controlling sister, Candace, who frequently tries to reveal their shenanigans to her and Phineas' mother, Linda Flynn-Fletcher, and less frequently to Ferb's father, Lawrence Fletcher.The series follows a standard plot system