六岁的左晨有一个怀表,拨动怀表发条就会打开一个倒置世界,这让她十分疑惑。
大学毕业,中文专业的她竟然报考《天体物理学》研究生。为的就是想解开怀表的谜题。
机缘巧合下,左晨发现自己来自于未来,那怀表则是可以穿越到过去平行时空的装置。
男友一瞬会在2018年6月7日车祸死掉,为救一瞬她只能一次又一次的穿越回车祸之前。但每一次穿越记忆都会消失,导致她每次都不记得自己的使命而错失拯救良机。
悲剧不断重演。
在男友、小吴教授、室友湘子的帮助下,终于发现自己穿越的秘密。
左晨用怀表穿越到137亿年前宇宙大爆炸的奇点,重历创世,沿着时间长河经历沧海桑田、时光变迁,回到当初两人相遇的平行时空里。
一瞬得以拯救,两人的故事重新开始 ...。Susanne Wallner returns to the ruins of Berlin from a Concentration Camp after WW2 to discover that someone else lives in her apartment: Dr. Hans Mertens, the war made him depressive and he drinks a lot of alcohol. Susanne asks him to go but he doesn't want to, so they share Susanne's apartment and even discover their sympathy and then their love for each other. That encourages him a little, of course. But then he hears that Ferdinand Brückner is still alive and also lives in Berlin. Brückner was his Captain during WW2, he gave the order to kill more than 100 innocent people, many children and women among them, on Christmas 1942 in Poland.
Summary written by Cinemator。