Based on the internationally best-selling novel by Jonas Jonasson, the unlikely story of a 100-year-old man who decides it's not too late to start over. For most people it would be the adventure of a lifetime, but Allan Karlsson's unexpected journey is not his first. For a century he's made the world uncertain, and now he is on the loose again.
Louise（瓦莱丽亚·布诺妮-泰特琪 Valeria Bruni Tedeschi 饰）遇到Nathan（路易斯·加瑞尔 Louis Garrel 饰）后，重新开始做梦。影片还描述了Louise患病的兄长和母亲的故事，以及意大利企业家大家庭的宿命。故事展现了一个家庭的分崩离析，一个世界的终止和一段爱情的悄然展开。
