Mavis finds a piece of stone cladding in the lounge and Derek suspects the twins. Derek accuses the twins of throwing the stone and they deny it. Jim threatens Derek and tells him the twins did not break his window. Steph tells Mavis that Vera broke the window. Derek confronts Vera and tells her he'll give her the bill. The Duckworths celebrate their wedding anniversary. The Duckworths spend their anniversary evening rowing in the Rovers. A policeman turns up and starts to strip, singing a telegram to Vera for her anniversary. Vera is furious and Steph admits to sending him. Mike move his desk onto the shop floor to Ivy's annoyance and Bet wonders who Tina's new boyfriend is.