2014年5月16日,在瑞草洞住宅区发生了杀人事件,高东浩(孙贤周饰)的妻子赵妍秀(严智苑饰)被发现惨死家中,而凶手一直未能落网。东浩在妻子被杀害之后生活失意,整日颓废不振难以自拔,他唯一的女儿高景林也因父亲的消沉而备受折磨。一年后的某天,因为磁场异常,东浩发现自己竟然能和一年前的妻子通电话,并且从通话中得到了拯救妻子生命的线索,而给他的时间只有一天。东浩决心一定要抓住这个改变命运的机会,为了救出妻子展开孤军奋战。Since his wife has been murdered, Dong-ho has lost the light in his life. The successful businessman is broken and falls into depression, though he tries to continue with his life. But as long the killer is still out there, Dong-ho can't come clean with his loss. Then one day he gets a call and can't believe his eyes: he is talking to his dead wife! First he believes this must be a bad joke, but the woman knows things only his wife can know. Dong-ho can't believe his luck, because now he has the chance to safe her life, but he has to be as quick as possible. He thinks a magnetic field anomaly allows him to talk to his wife. Which means that he has to identify the killer and warn his wife before the anomaly disappears again.