In the Heat of the Night (1988)

S5E8 Sweet, Sweet Blues

A haunting blues song unveils the tragic tale of a murder that took place half a century ago. The victim is none other than Sweet's grandfather. The remaining individuals who hold the key to this mystery are the seasoned blues musician behind the song and a former sheriff who has long since retired. As Sweet delves into the past, the search for closure leads to buried truths and unresolved emotions tied to a dark chapter in his family's history.