Jonsy is a teenager who meets her father Billy, who has just been released from prison, for the first time. The two slowly forge a relationship as they rebuild a boat named
The River Rat. The father cannot escape his criminal past, being
blackmailed by the
prison psychiatrist Doc Cole, who believes he knows the location of a large amount of cash stolen before imprisonment. Father and daughter ride
The River Rat on a picturesque trip down the Mississippi River to
Memphis, Tennessee in an effort to find the money and elude the prison doctor. Along the way, they learn about each other and grow closer. ==Cast==