Freeway runs away with a gun used to murder a wealthy neighbor. The Harts get involved in capturing the killer and intercepting a multi-million dollar jewelery shipment.

The menu features murder when the Harts take a gourmet cooking class. The Harts vie with an unscrupulous financier for a recipe which might benefit the world.

Max's ex-wife, presumed dead for over 10 years, arrives in Los Angeles. Her friend is murdered, so she calls Max for help. When two thugs try to grab her at the park, she is injured and Max is kidnapped. Demands are made for a necklace about which the Harts know nothing.

Chief accountant of Hart Industries, Stanley Friesen, is set up to take a murder wrap after an evening on the town. In an attempt to clear him, the Harts retrace his steps and discover a gambling ring using the Nightlife as a cover.

The Harts' unscrupulous lawyer hires an assassin to eliminate Jonathan with plans to court and marry Jennifer and thus gain control of the sizeable estate.

Jennifer's death scene in an amatuer production could become the real thing when the director realizes she can identify him as a murderer of a young playwright.

A Jonathan Hart look-alike, with the help of his magician brother, plots Jonathan's murder intending to take over the Hart empire.