Britain's Deadliest Lovers

A dentist and Sunday school teacher's romance leads to double murder.

Philip Croydon is found dead in a hotel room with his hands tied.

When Hollie ends the relationship, Asher decides no-one can have her.

Kevin Nunn becomes increasingly controlling over girlfriend Dawn Walker.

Financial problems push Stephen Barnsdale Quean’s marriage to the limit.

Hayley and Hugo have a love affair, but Hugo's jealousy leads to murder.