Ernie feels neglected when the other members of the Douglas family are busy with various girlfriends and he is left alone. Close to tears, Ernie is puzzled and saddened by the mysterious powers of the opposite sex. He's even more puzzled when he meets eleven year old Linda-Lou.

The older members of the Douglas family find their social lives complicated when little Ernie decides to accompany them on all of their dates. Uncle Charley decides he must be the one to put his foot down and set the boy straight.