Where To Stream Murder, She Wrote Season 3 Episode 3

Retired police lieutenant Barney Kale insists upon reopening a 10-year-old murder case which he had never been able to solve. Heading to the murder scene, a lakeside mountain resort, Kale gathers together all of the likely suspects, including Dr. Seth Hazlitt. When a new murder occurs, it appears obvious that there is an hidden agenda related to the revived investigation, but whose agenda, and why?