When Lilith comes to town, she and Frasier inadvertently team up to help a couple work out their marriage problems.
Niles is questioned by the police in connection with the weapon Maris used to murder her lover - which Niles loaned her.
Frasier decides to boycott Cafe Nervosa when the owner hires a folk singer to perform daily.
Frasier's minimal participation in building a house for Habitat for Humanity leads him to a bizarre attachment to its inhabitants.
Lilith believes that Frederick should have a sibling, and she wants Frasier to be the father through artificial insemination.
Niles' concerns over a toothache lead him to believe that the pain may be referred - and that the real problem is with his heart.
Frasier and Niles look for a wealthy patron to donate money to their closing prep school. When Martin begins to date a rich socialite, the brothers believe their dilemma is solved.
When a neighbor of his is murdered, Lou meets a young cop who has to hide his homosexuality from everyone else at the police force.
During roll call, Sgt. MacDonald gives a lecture on the importance of officer presence. A gas station attendant is pistol whipped by armed robbers who escape in a red convertible. A 91-year-old man causes concern when he decides to go home to South Dakota. A babysitter mistakes a raccoon for a prowler. The response to a silent alarm results in a gunfight and multiple casualties.
An elderly, widowed apartment manager has been beaten to death with a hammer by a 19-year-old tenant who robs him of his wedding ring and life savings – all $6.58 of it. Friday and Gannon's investigation requires them to travel to Cottonwood, Arizona.moreless
Friday and Gannon are introduced to a new drug called LSD when they receive a call of young man known on the street as "Blue Boy" who has a painted face and is chewing the bark off a tree in a vacant lot. Several months pass before legislation is passed that allows them to start combating the sale and distribution of the drug, which turns out to be too late for at least one user.