Tensions begin to mount in the Coyne household as Rose discovers Michael's black market activities in the family shop, whilst their younger son, Francis, is caught up in trouble with the Hanlon brothers on an ill-fated eel poaching trip. Inspired by her growing friendship with Captain Dreyfuss, it falls to Rose to defend the rights of the local fishing community, much to Michael's disdain. Meanwhile, a visit by Dr. Black leads Emma to meet his handsome son, Andrew, who soon provides a distraction from recent events.

Halloween in Moybeg and the residents are drawn to watch a performance by the travelling show, Marsden's Big Variety Playhouse. However, the joy soon fades as Maisie Quinn, youngest sister of Sally and Barney, is struck down with Scarlet Fever. Aware of the Quinn's financial situation and frustrated by Dr. Black's lack of concern, Rose turns to Captain Dreyfuss for medical assistance from the air base. The arrival of nurse Lieutenant Tillie Zeigler proves to be a blessing and a curse for Rose, but events are soon overtaken when youngest daughter, Kate, also falls victim to the life-threatening illness.

Rose's younger, glamourous sister Vera arrives in Moybeg for a visit. Adored by Emma, dreaded by Michael, Vera's effervescent presence is soon felt in the Coyne household but when she soon meets the dashing Captain Dreyfuss, even Rose's patience is tested. However, the reality hiding behind Vera's façade begins to emerge, leaving Rose quietly torn between her loyalties to her family and her growing feelings for Dreyfuss.