Nothing really looks what it really is when you look from a distance and so is Jinwoo’s quiet life, far from the hectic, stressful city life, tucked away in the beauty of the Korean countryside, welcomed with open arms by a loving new “family” that has accepted, on their sheep ranch, him and Seol, his wonderful niece who he loves as if she were his own daughter. But when Park K...。四位互不认识的数学家收到一位神秘主人的邀请去参加一个聚会——为解决一道最了不起的谜题。然而结果他们发现自己所来到的这个房间会逐渐被压缩,除非他们能在限定的时间内解决每道题目并找到他们四人之间的联系……而要谋杀他们的又是谁呢?。