Nell has a better job in her company as a book editor. However, that tears her away from staying with the boys. When Joey tells Nell that he's doing a Walk-A-Thon fund raiser for his school & wants to sign up sponsors. But Nell doesn't want Joey to go alone with Matthew wandering the streets of New York. But Grandpa disagrees. Joey also has to take Matthew to his guitar lesson as well. After school, Joey decides to go get sponsors, and takes Matt with him. When Joey goes to a doctor's office, he tells Matt to wait for him. Then Matt hears music coming from next door & sees a band rehearsing. Then the band lets Matt jam with them. Joey finds that Matt's missing and he searches all over for him. When he arrives home, he asks Marty for his help and Marty called the police. Nell enters & Marty tells her Matt's missing. Nell takes the receiver while Marty looks @ his restaurant. Nell is mad at Joey for losing his brother. Then Marty finds Matt & took him home. Joey's mad at Matt