A sixties psychedelic counterculture clash occurs during the "Summer of Love" when an aspiring hippie from New York dupes the son of a Swedish dairy farmer into smuggling illegal margarine into butter-rich Wisconsin
as Grandma Betty Johansson
as Grandpa Griswold
as Madge Havershank
as Katie Trumbull
as Melvin Johansson
as Howard Schmear
as Miriam Cuningham
as Bill Muskogee
as Deputy Smith
as Sheriff Ed Cosgrove
as Tom
as Farmer