Deadheads (S02E03)

Flamboyant businessman and Dalziel's old friend, Dick Elgood, accuses one of his employees, rose-enthusiast Patrick Alderman, of trying to murder him. When Pascoe starts to investigate, he discovers a trail of suspicious deaths in Alderman's past. Meanwhile, attending a police conference, Dalziel bumps into an old flame, but his fumbling attempts to rekindle the passion result in a bloody nose. (Prime Video)