In the Heat of the Night

Racial tensions run high when a married white woman has an affair with a black businessman from New York.Meanwhile Virgil is not happy when the Chief enlists his aid in tracking down Bubba's cousin, a suspected moonshiner.

Virgil refuses to let go of a grudge against a wealthy former classmate who cheated him out of a scholarship.The man has promised city leaders that he will move his business to Sparta,but not all of his business interests are legal.The nephew of an old friend of Gillespie's finds his life in danger after he steals drugs stored in the businessman's mansion.

An angry Gillespie seeks answers when an old friend is shot.And Virgil narrowly escapes death after trying to ascertain the real reason behind an old adversary's return to Sparta.Nan finds herself in danger after she finds out the truth about her new love.

In this humorous episode Virgil and the Chief arrest a man for bigamy.It soon becomes a polygamy case after an endless parade of wives come to visit their husband.