Kris (Gerard McCarthy) confesses to Malachy (Glen Wallace) that he slept with Mercedes (Jennifer Metcalfe).
As the realisation dawns that he may have infected both his girlfriend and his brother, Malachy is distraught.
An excited Mandy (Sarah Jayne Dunn) coerces Warren (Jamie Lomas) into going back to Steph's (Carley Stenson) flat to look at some surprise details for his wedding to Louise (Roxanne McKee).
Danny (David Judge) is in trouble when Lauren (Dominique Jackson) reads his best man speech out and Leo (Brian Bovell) overhears, recognising his own wording.
Dir: Steve Brett; Writer: Jane Marlow; Prod Co: Lime