Angharard returns to work finds some things have changed, while Owain is still unsure about their relationship. A proposal for the establishment of a nuclear power station in South-West Wales brings up friction in the new coalition.
The government deals with a demand to double the number of refugees housed in Wales. Owain is offered a regular position at the Assembly, much to the dismay of both Angharad and Harri.
The feud between Catrin and Dylan deepens over a proposal to privatise a hospital, while Lowri and Tom also drift further apart. Meirion continues to hinder Angharad's professionalism, and Harri is concerned it will affect his own job.
Dylan considers his political future - and the effect it would have on his marriage to Catrin. Owain finds out the truth about his job, and his reaction surprises Angharad. Megan opposes Meirion's idea of instating mayors.
Rhiannon and the Nationalists unilaterally announce a comprehensive health review. A furious Meirion shuts out Aled, and the news crew sees an opportunity.
Britain United appeal government policy against fracking. Meirion sees an opportunity and tries to bring Alwyn on board. Lowri tells Tom he'll have nothing to do with the baby.
The government is rocked following Meirion's actions, after the news crew provides the Nationalists with details about his plot. With the coalition falling apart, Elinor asks Owain to divulge to Meirion the secret about Angharad.