“Mad” Mary McArdle returns to Drogheda after a short spell in prison for something she’d rather forget. Back home, everything and everyone has changed. Her best friend, Charlene, is about to get married and Mary is maid of honor. When Charlene refuses Mary a ‘plus one’ on the grounds that she probably couldn’t find a date, Mary becomes determined to prove her wrong.

When 12-year-old Mickey Miller moves from New York to Ireland, she soon discovers a link between herself and the 300-year-old legend of the mysterious Black Knight, who regularly haunts the sleepy Irish village. With courage and a sharp mind, she sets out to save a precious herd of white horses and to thwart the evil plans of a greedy, ambitious woman.