讲述各种各样性格的刑警，通过分析案情一步步破案的过程。This drama outlines the various stories in which detective with strong personalities solve their ways through crimes with different investigative methods and know-hows.
By the sea, a contract binds two strangers: Han Jaehun, a cold heir hiding pain, and Kim Haejun, a bright art student burdened by life.
该剧根据经典科幻小说改编，故事描述神秘的外星领主率领外星种族以和平名义来到地球。他们的到来终结了地球上所有的战争，将地球变成了一个近似乌托邦的天堂。事实上这正是这个外星种族可怕的地方：当人类无法抵抗甚至没有任何怀疑的时候，已经被他们「征服」了
