Murder in Mind - Season 2 Episode 4 Swan Song

Tara Stevens, a young night-club singer is lately feeling stifled by her rich husband Derek, so she plans to have him murdered. She ha san affair with Mark White, an ex-com who now works as a security guard in her husbands office. After she talks him into it, Mark agrees to kill her husband. After the murder has been comitted, the murder has been investigated by detective superintendent Mike Garret. Soon it turns out that Tara is really having an affair with Mike. They together plotted to set Mark White up to murder Tara's husband…