The world fell in love with Glen Hansard and Markйta Irglovб when their songwriting collaboration in the film Once culminated in a jubilant Oscar win. But behind the scenes, where Glen and Mar s on-screen romance became reality, a grueling two-year world tour threatens to fracture their fated bond. Filmed in black and white, this music-filled documentary is an intimate look at the exhilaration and turmoil created by both love and fame.