Framed for a mob murder, ex-con John Tenuti stows away in a retiree's Winnebago and adopts the alias Johnny Bago, with a mafia hit man and his obsessive ex-wife/parole officer in hot pursuit.

When his rare blood type becomes known, Johnny is railroaded by the residents of a small town into donating bone marrow to save the life of a young girl.

A 17-year-old temptress hitches a ride with Johnny while her sheriff father leads a manhunt.

Johnny puts on airs to impress an RV park queen while her bratty son runs interference.

Johnny is trapped by a mischievous circus owner.

Johnny joins a migrant-workers strike against an avaricious rancher (Joan Severance).

Looking for food, Johnny wanders onto a farm.