Brian and Michael's relationship is showing signs of strain as Michael embraces his new life with Ben and their family. Debbie decides to retire from the diner and a newcomer takes over.
Tabloid editor Chris McConnell asks Sandra Pullman to help him prove celebrity chef Kitty Campbell killed her drunken husband Bertie 40 years ago at the height of their 60s TV fame. Kitty is about to be made an MBE and Chris wants some justice.
Esther has an accident in the kitchen, causing Brian to realise how much he relies on her and how little he really knows about her.