When his comfortable New York City apartment building is torn down, 72-year-old widower and retired college professor Harry (Carney) temporarily moves in with his eldest son but finds his daughter-in-law less than enthusiastic. Perhaps inspired by his grandson, Norman (Mostel, son of
Zero), who is currently immersed in Zen philosophy, Harry decides to postpone his search for new lodgings to fulfill a lifelong ambition to travel across the country to California. With his beloved cat Tonto, Harry hits the road, planning to stop and visit his other children--Shirley (Burstyn), a
daughter who lives in Chicago, and youngest son, Eddie (Hagman), who lives on the West Coa...