《智异山》由《王国》《信号》的金银姬作家执笔，《太阳的后裔》《阳光先生》《鬼怪》的李应福导演执导。以广阔的智异山秘境为背景，讲述上山的人们之间的悬疑故事。将展开穿梭于山中，解救遇难者的国立公园突击队的故事。

One day, three siblings receive a postcard from their mother who left them a long time ago. But all it says is I miss you. Three siblings are disconcerted by the sudden contact, but eventually, they go on a trip to meet …

熙攘喧嚣的大都会里，供职于某银行的独身女子赵京敏过着朝九晚五的生活，独自穿梭在城市的街头巷尾。这一晚，京敏下班回到家，发现家门的密码锁盖子被人打开。进屋后不久，她突然听到门口传来按密码锁的声音，更有人试图扭开门把手。虽然…