Eric counsels a teen drug addict; Matt's fired from another job; Lucy blows it when she tries to impress the most popular girl in school; Simon and Lucy get lost playing detective.

Matt helps out an elderly neighbor, but winds up getting in hot water for it; Eric searches for a way to aid a proud but homeless family; Lucy's 13th birthday approaches and she wants a party.

Eric and Annie are taking the day off to spend time together since it's the first day of school for the 5 Camden children. Although, things go array on their first day back in school. Ruthie is caught wearing a hat backwards which violates school policy. Ruthie insists on wearing her cap backwards and ends up getting a 'time out' by her teacher. During Simon's first day at Junior High School, he is caught with a knife that his mother had given him to cut his chicken. Simon is suspended for a day. Mary offers to help Lucy with her locker that doesn't open because of Eric's old lock that he had given her.

Meanwhile, when Lucy takes an aspirin that Mary had given her, the principal notices them with the medicine and takes them to the office. Matt later joins his sisters after Mr. Koper catches him with a beeper- the one Eric left in Matt's jacket after borrowing it. All three of them are suspended for a day. Also, Mary learns that Mr. Koper is her new basketball coach and he's going to he

Mary coerces Matt into asking his friend Brian (guest-star Jason Behr) to take her out on a date despite his lack of interest in her. Although, things begin to heat up between the two kids while on the date---but ultimately ends in disaster after Mary finds out the truth. Meanwhile, Lucy is invited to a sleepover of popular girls, but Lucy is unaware of the group's real intentions for inviting her. Also, Simon begins to teach Ruthie how to swim without taking lessons. Lastly, Eric becomes convinced he's fat and thinks he's getting away with cheating on his diet.