Michael turns the tables on Nia and baby Cai goes missing.

Cast: Tom Rhys Harries, Kezrena James, Mali Tudno Jones, David Caves, Geraint Morgan, Catherine Tyldesley, Ela Carlisle, Asher Matthews, Ifan Huw Dafydd, Gabrielle Creevy, Bruce Herbelin-Earle, Frances Grey, Freddy Carter, Sharon Morgan, Aneirin Hughes