Sisters Ella and Roberta O'Callaghan live in separate wings of their crumbling Irish mansion. They haven't spoken for decades, torn apart by a dark family secret from their past, and only communicate through the terse notes they leave for each other in the hallway. Debbie, an American, is searching for her birth mother, hoping to discover who she really is and what happened to her mother. With the bank threatening, Ella tries to save the family home by opening a café in the ballroom much to Roberta's disgust. And when Debbie offers to help out in the café, the war between the sisters intensifies. But then Debbie begins to unravel the truth...