There's heartbreaking scenes ahead on Emmerdale , as Cain Dingle finally tells his wife Moira Dingle about his worrying cancer diagnosis. With Moira in prison, for a double murder she did not commit, Cain has kept his health news from her. He also hasn't told his family, except for his granddaughter Sarah Sugden. Other characters keeping his secret are Liam Cavanagh and Graham Foster, but next week everyone finds out. Cain is urged to tell their young sons and his whole family what is going on