Monk's faithfulness to his deceased wife is put to the test when a murder probe leads him to a beautiful divorcee and a shot at romance.

Monk tries to run down how someone could be in two places at the same time after a woman is found murdered during a citywide marathon race.

Monk's week of rest and relaxation turns from vacation into work after Benjy witnesses a murder at their beach resort.

The wife of a wealthy businessman is suspected of murdering her husband under the cover of a major earthquake.

An angry Willie Nelson accuses his road manager, Sonny Cross, of embezzlement just hours before making a San Francisco radio appearance. Sonny later arrives at the radio station to find a note summoning him to a side entrance. As Sonny disappears down an alley, two shots ring out, and an engineer throws open the side door to find a blind woman, Mrs. Mass, screaming hysterically -- and Willie Nelson hovering over Sonny's dead body. An injured Captain Stottlemeyer decides to put Lt. Disher in charge of the investigation, and Disher loses no time in calling in Adrian Monk.

After reluctantly boarding a cross-country flight to New Jersey, Monk suspects there's a killer aboard.