Josi Evans leaves Rachel, his wife of twenty three years and the prosperous farm she inherited from her father, for his mistress, Miriam, who has just had their child.
Josi is offered a job on a farm in Cardigan as he decides to leave the area with Miriam. However, Tom arrives and tells the pair that Rachel is dying and asks Josi to return to her.
Edward declares his love to Catrin, but is called back as Rose is in trouble, deciding to marry her to prevent her going to jail. Catrin feels betrayed, and decides to leave to train as a nurse rather than go to art college, not knowing her mother is terminally ill.
Edward visits his true love Catrin to explain the reasons for his fake marriage to Rose, promising her they will be reunited after the war. Tom decides to volunteer for the Army, and leaves for France with Edward.