故事讲的是,某一天航天局发现一个类似于黑洞的天体出现在地球的附近,吞噬着周围太空的一切,地球很快就会毁灭。从发现到预计的毁灭时间,只有100个小时。于是航天局就找来了两个民间专家来解决。最后两个小时,在两个电影专家还在演算的过程中,一个有沟通障碍的年轻人最终帮了这个大忙,使时间倒流,而这位年轻人已经轮回了672次。。Do-gyeong jumped in to save his student Jiyong from drowning. After the two pass away, Myeongji, Do-gyeong's wife, and Jieun, Jiyong's sister, are left alone in the world, having to cope with the loss of their loved ones. Myeongji travels to Warsaw, Poland, to avoid her harsh reality. She meets an old friend and hides her husband's death as if trying to reject the tragedy.。