Murder, She Wrote (1984–1996)
3 user

What You Don't Know Can Kill You 

Johnny is engaged to Seth's niece Amy but enrages Les by visiting Sherri. When Johnny is the victim of a motorcycle accident, Amy insists that it was murder.


Kevin Corcoran


Peter S. Fischer (created by), Richard Levinson (created by) | 2 more credits »

On Disc

at Amazon




Episode cast overview, first billed only:
Angela Lansbury ... Jessica Fletcher
Michele Abrams ... Mickie
Anthony Michael Hall ... Les Franklin
Jerry Hardin ... Tom Sampson
Louis Herthum ... Deputy Andy Broom
Laurie Holden ... Sherri Sampson
Billy Keane ... Johnny Carter (as William Keane)
Bruce Kirby ... Jeremy Woods
Geoffrey Lewis ... Roger Yates
Ron Masak ... Sheriff Mort Metzger (as Ron Másak)
Judson Mills ... Stu Yates
Kathryn Morris ... Doreen the Waitress
Cari Shayne ... Amy Walters
Will Stewart ... Roger Yates's Junior Son (as Will Foster Stewart)
William Windom ... Dr. Seth Hazlitt


Charming local gardener Johnny Carter is engaged to Seth's niece Amy Walters. Both are bothered by local hoodlum Les Franklin. After Johnny dies in a motorcycle accident, which Amy insists must be murder, she discovers he regularly visited tow truck driver Tom Sampson's daughter Sherri, whose baby he fathered. Failing to take his pills, Seth's patient Roger Yates is absurdly vindictive over a gardening misunderstanding against Johnny and lawyer Jeremy Woods, who refused to prosecute Jessica for 'fencing flowers'. Roger's rowdy sons are Les' mates. Jeremy is stabbed to death with Les' knife. Jessica puts things together surprisingly. Written by KGF Vissers

Plot Summary | Add Synopsis

Plot Keywords:

knife | jealousy | fistfight | fight | See All (4) »


Crime | Drama | Mystery


TV-PG | See all certifications »






Release Date:

5 May 1996 (USA) See more »

Company Credits

Show more on IMDbPro »

Technical Specs


Sound Mix:




Aspect Ratio:

1.33 : 1
See full technical specs »

Did You Know?


As the series came to an end a smattering of stunt casting was seen. Deputy Olsen was played by Kathryn Masak, daughter of Ron Masak, Sheriff Mort Metzger. See more »


In the opening, a man is sitting on the porch holding a crying baby. The baby however is asleep with a pacifier in his mouth. See more »


[first lines]
Johnny Carter: I can't believe how fast you're growing. Oh. You must've gained a pound since yesterday. Oh, how you doing, big fella? You gonna be my buddy? Huh? We'll have lots of good times, you and me. I'll take you on hikes, teach you howto swim, ride a bike. You like that, huh? Yeah. You and me, we're gonna do lots of fun things, huh?
See more »

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User Reviews

Two bones of contention
5 October 2017 | by bkoganbingSee all my reviews

Things are looking good for Dr. Hazlett's niece Michelle Abrams who is about to marry Billy Keane. The only fly in the ointment is the jealous Anthony Michael Hall who Abrams had once been involved with. In fact the Keane and Hall were also at one time involved with single mom Laurie Holden which two bones of contention between them.

First Billy Keane is killed at night in a motorcycle accident that wasn't so accidental. After that Bruce Kirby, a lawyer in Cabot Cove is also killed and he had information that Keane's case was murder also.

This was Jessica Fletcher's last visit to Cabot Cove on the series and personally I liked those episodes best. Both sheriffs Tom Bosley and Ron Masak were strong, but not ego driven characters always ready to accept help from Angela Lansbury. And possibly my favorite TV doctor was William Windom. Any episode with him as Dr. Seth Hazlett was a double treat. Occasionally he got away from Cabot Cove with Jessica Fletcher. He was conservative in his manner, occasionally a bit stuffy, but very wise always.

The murderer here is one you can really feel sorry for as well. Watch and see what I mean.

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