Having found Hayley sitting on the edge of a tower block balcony, Kat tries to talk her down - but her cousin is adamant that if Kat knew the truth she would think differently. Elsewhere, Martin feels conflicted when Ross defends himself - especially when he shows him a text from Ruby. Also tonight, Dot and Dr Legg reminisce about the good old days, and the residents gather to help Robbie celebrate his birthday - but the guest of honour is nowhere to be seen.