Jason Robards is a man who decides he'd rather be a tree.

Chris is not getting along with boyfriend Sandor and has an affair with parole officer Dennis. Dennis invites the couple to dinner with his ex-girlfriend Jan. At a picnic on the beach, Jan meets lifeguard Phil, who later sleeps with Chris and moves in with the other five. Phil brings in a person, lawyer Elaine. The "group marriage" of the six of them attracts media attention, which brings trouble and prejudice.

"Boxcar" Bertha Thompson, a transient woman in Arkansas during the violence-filled Depression of the early '30s, meets up with rabble-rousing union man "Big" Bill Shelly and the two team up to fight the corrupt railroad establishment.

Monty Nash is a government agent who often goes undercover to apprehend criminals.

A trio of beautiful private-duty nurses that practice more than the medical arts must confront underground drug traffickers, racism and murder in their local hospital.

Spend time on both sides of World War I, partly with German flying ace Baron Manfred Von Richthofen (John Phillip Law), aka "The Red Baron," and his colorful "flying circus" of Fokker fighter planes, during the time from his arrival at the war front to his death in combat. On the other side is Roy Brown of the Royal Air Force, sometimes credited with shooting Richthofen down.

A gas is let loose upon the world that kills anyone over 25 years old.