On International Women's Day, Rhiannon's decision to ignore Harri's advice leads to her upsetting both Megan and Catrin and weakening the weak alliance between the three female leaders further still. Meirion publicly humiliates his wife leading to recriminations both at home and at work but for once, his outrageous behaviour proves something of a political blessing for Rhiannon. Meanwhile, Lowri becomes increasingly desperate as she strives to prove that Tom wasn't the father of her child. (thetvdb.com)