Patrick Trueman (Rudolph Walker) will be faced with a major dilemma when he discovers another Albert Square resident's secret in EastEnders on BBC One and RTÉ One next week.
Warning: spoiler alert!
Rainie Cross (Tanya Franks) tells Patrick that Ian Beale (Adam Woodyatt) paid her for sex on the night that Ian's daughter Lucy was murdered.
An angry Patrick later confronts Ian – but will he tell Ian's fiancée Denise Fox (Diane Parish)?
Viewers can find out on BBC One and RTÉ One on Friday July 18.