Paul C. Brunson: Red Flag

The relationship expert interviews survivors of toxic relationships, revealing the red flags that signalled the emotional manipulation and shocking consequences that tore them apart. Charlotte was left terrified when her partner's early devotion turned to control and violence, culminating in a devastating graveside attack.

The relationship expert speaks to Jak, who spent 6 months manipulated by 'The Tinder Predator' Christopher Harkins - a serial fraudster later convicted of assault, fraud and rape.

The relationship expert speaks to Megan, whose escape from an abusive and violent partner was followed by something worse: both she and her ex were attacked by a stalker.

The relationship expert speaks to Kathryn, who was driven to choose her abusive partner over her children - but then his violence escalated, leaving her with a broken back and ribs.

The relationship expert speaks to Ellie, who told she was a worthless a sex object by her misogynist boyfriend who bragged online about abusing her - until she fought back.

The relationship expert speaks to Gareth, who was left controlled, isolated and starved by an abusive girlfriend who threatened to accuse him of rape if he tried to leave.