Sean catches Lily and Brad making-out in the front seat of a car, which causes him to throw a bucket of chicken at the windshield. Sean tries to solve the problem and winds up finding out that Claudia is the "neighborhood hot mom."
The Finnerty family attends a Ramones concert which prevents Jimmy from completing a school assignment. This causes Sean to write a note to Jimmy's teacher explaining what had happened, in turn getting Jimmy suspended.
Sean runs into an old high school friend who has become a priest. Lily gets in trouble at school because her skirt is too short causing Sean to interfere, making the situation worse. Meanwhile, Jimmy thinks he is possessed by the devil.
Eddie and Sean are given money from their deceased mother. Eddie spends his share of the money on a trip to New Orleans, while Sean spends his share on a Gibson Les Paul Classic even though the family would benefit more from a water heater.
Sean has the duty of bringing Henry to the barber shop, but instead he keeps procrastinating and doesn't get Henry to the barber shop on time. So Sean decides to cut Henry's hair himself, but does an awful job, causing Jimmy to lie and feel guilty. Meanwhile, Lily has a hard time deciding who to bring to a 'No Doubt' concert.
Sean claims their dad has always taken Eddie's side and refuses to talk Eddie up to a single woman because the one time it lead to a relationship, Eddie faked his own death to get out of the relationship.
Lily's school has a talent show. For some reason, the audience boos at Lily's dance group's lewd dance performance. Lily gets upset, because she feels embarrassed and worthless. But what really happened at the show?