Tanveer Iqbal and Zatoon Bibi had an affair under the noses of their families. When he called it off, she vowed revenge. 

Thelma Purchase was Greg Baker's carer, confidante, even his lover. She was in the perfect position to cash in on his trust.

Marian Caliman used his charm and his DIY skills to win over fiancee Faye's family. Then he betrayed their trust.

Kayleigh Hanks and Ian Paton's relationship was volatile - some would say toxic. Their love wasn't enough to curb his violent ways.

Millionaire Peter Morgan was infatuated with Georgina Symonds. Finding out if she felt the same led him down a dangerous path.

A meeting online led to Sarah Wellgreenn and Ben Lacomba making a life together. But how well did she really know him?