Emmerdale fans are calling for Cain Dingle to be imprisoned after an old episode from 2001 resurfaced showing him bedding 15-year-old Ollie Reynolds. Here we look back at some of soapland's sickest plotlines.
In a squirm-inducing EastEnders storyline, Lauren and Joey Branning had an incestuous relationship after falling in love.
Over on Emmerdale, Charity and Cain Dingle (him again) embarked on an affair and had a baby despite being cousins.
Hollyoaks twins Dodger Savage and Sienna Blake were separated in childhood and by chance hooked up in their teens, conceiving a child.
Siblings Nat and Georgia's relationship was a little too close for comfort on Brookside. The couple conceived a child, but Georgia had an abortion before the pair moved away.
On EastEnders, when Ronnie Branning’s son tragically died from Sudden Infant Death Syndrome, she swapped him for Kat Moon’s newborn.
Sticking with EastEnders, Tanya Branning tried to bury her cheating husband Max alive after discovering he was having an affair.