Ellery Queen S00 E01 Too Many Suspects (pilot)

Ellery must track down the killer of noted fashion designer, Monica Gay, who pulled the plug out of her clock and her TV set as a cryptic dying message. The three main suspects are Monica's financier lover, his jealous wife, and hot-tempered son who'd been having an affair with her himself. Each is charged and then cleared of murder but are they really innocent? Ellery must sort things through.