The series follows the fortunes of a rural family, the Coynes and their neighbours in the village of Moybeg on the shores of Lough Neagh in County Tyrone, as they struggle to maintain a normal life after a huge USAAF airfield with 4,000 service men and women – complete with a handsome and charming liaison officer, Captain Dreyfuss – lands slap dab in the middle of their parish in 1943.