A married woman and her lover plot to kill her husband to make off with the insurance money. However, their attempt to murder him using poisonous fish toxins backfires in surprising ways.
| Actor | Role |
|---|---|
 Tim MathesonClint Goodman | Clint Goodman |
 Jennifer Jason LeighJoanna Goodman | Joanna Goodman |
 William AthertonCort van Owen | Cort van Owen |
 Hoyt AxtonSheriff Sam Eberly | Sheriff Sam Eberly |
 Jay GerberQuintan | Quintan |
 Wayne GraceBill Scorby | Bill Scorby |
 Donald HottonReynolds | Reynolds |
 Brian LibbyEarl | Earl |
 Peg ShirleyHelen Eberly | Helen Eberly |
 David YouseBilly | Billy |
| MMilt HamermanCoroner | Coroner |
 Michael KeepForeman | Foreman |
 Jan MerlinAttorney | Attorney |
| JJames ScallyPriest | Priest |
 Dale SwannFire Captain | Fire Captain |