Binge Britain (S31E23)

Iain has an unexpected encounter with his sister during a crisis involving their mother, but his attempts to reconcile with his past lead to unexpected consequences. Meanwhile, the hospital is overwhelmed by a surge of binge drinkers, highlighted by a chaotic hen party where the bride ends up being shot with a bow and arrow. Dylan finds it difficult to manage the chaos, yet the situation sparks a creative idea for him. Grace makes her return to work, but she appears to have lost her voice in the process.