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高冷的孙子和轻松搞笑的爷爷，有着严重的代沟，一次偶然的巧合让两人灵魂互换，又莫名卷入一场凶杀案，通过“大”孙子和“小”爷爷的不懈努力，终于让罪犯伏法。。《60天，指定幸存者》在原版主要故事情节的基础上，加入了更多有关韩国国情的元素。这是一个关于政治家的故事，他突然从环境部长晋升到了总统，因为在国会上发生的一次爆炸中，排在他前面的总统候选人都罹难身亡。朴木镇原本是位科学家，如今身为政客的他必须努力融入政坛。在朴木镇代任总统的60天中，尽管经验不足并且不情不愿，他还是想努力揭开袭击背后的真相。。A scientist performing illegal stem cell research is trying to find a cure for cancer. After the transfer of shark cells is made into a human test subject, the ill man gets well again and it looks like the treatment was a success. But the experiment goes wrong, and the man transforms into monster: half-shark & half-human. But the scientist knows how to use this to his advantage...。