当父亲确诊阿兹海默症后，克里斯将镜头对准家人。他与父亲踏上回溯过往的公路之旅、探索人际连结的科学，并了解如何借此巩固记忆。他们重游充满意义的故地、拜访熟悉的面孔，将一切拍成家庭影片，重温即将消逝的珍贵回忆。这段穿越澳洲的旅程，成为父子情感的深刻见证。
Nathan Carman, a young man who, after a fishing trip with his mother Linda off the coast of New England, survives a week on a life raft while she is lost at sea. The sensational incident renews interest in the unsolved murder of Carman's wealthy grandfather years earlier, spurring a media frenzy, a war over a vast family fortune, multiple investigations and ultimately federal charges against Carman for murder on the high seas. With unprecedented access to family, friends and investigators, the film is a nautical thriller that explores intimate human mysteries about family, greed, perception, mental health and the unpredictable mind of an enigmatic young man.
