Joey lives with his mother. His father isn't around, he doesn't like school, he is bored and doesn't take orders from anyone. In other words he is a real little scamp. Being at one's wit's end, his mother decides to look for a "big brother" (sort of surrogate father) for Joey. At first this clumsy Arnie doesn't know how to handle Joey but after a while everything changes and not only for Joey ...
