A friend of Hardcastle's, a lawyer dies. At the funeral, he catches his young wife with another man. He talks to his friend's partner who was forced out of the practice by the wife and he tells Hardcastle the wife was only interested in his money. Hardcastle learns the man died while at some health spa for the elderly. So he goes there as a client and McCormick goes as a trainer who puts Hardcastle through the wringer. (thetvdb.com)