In the midst of World War II, a brutal act of violence nearly occurs on the serene grounds of a convent in Kettle Falls, Washington. Abby Ryan, a nun enjoying a few quiet moments in the gazebo, is suddenly attacked from behind by two men intent on raping her. But her fate is about to change when Sinclair Mellington, a handsome army captain, rushes to save her. It is decades later, in late 2008, when Isaiah Mellington, a middle-aged unemployed attorney, receives a letter written years earlier by his now deceased father, asking him to wrap up loose ends in the wake of Sister Abby's passing. He travels to Kettle Falls, expecting to only be there for a weekend; instead, Isaiah discovers that Sister Abby's loose ends are connected to a life she lived outside the convent. Eight days later, Isaiah is still in Kettle Falls with four women-an aging former nun who is the keeper of Abby's secrets, a romantic interest of his own, and two others whose lives are being hijacked by Sister Abby's past. As betrayal encroaches upon Isaiah, a half century of lies slowly unravels, shredding the fabric of everything Isaiah has ever known and everyone he has ever loved.