西南一座小城，发生了两起匪夷所思的离奇案件，在警方剥茧抽丝的调查过程中，发现了一系列不为人知的秘密。随着线索越来越多，看似简单的案子却是纠葛复杂，究竟谁才是真正的幕后操控者，爱恨罪恶纠缠，正义和黑暗，较量越演越烈 。

講述了西南一座小城發生了兩起離奇謎案，蔣勤勤飾演的女警林雨虹克服重重困難，抽絲破繭偵破案件。在原本看似犯罪動機清晰的案件中，卻引出了一系列不為人知的秘密，讓案件再次陷入迷霧之中。而這些故事將小城的過去、現在和未來緊緊牽連，貫穿在時間長河中的愛恨和罪惡終將消逝，唯有江流東去，晝夜不止。

Two boggling mysteries have occurred in a small town in Xinan. A female police captain joins hands with a young detective to conduct an investigation. Although a clear motive can be seen, the two discover a series of unknown secrets.

One case involves a late-night ride hailed through an online platform that goes terribly wrong. As more and more clues resurface, the cases in the hands of the police hands become complicated and entangled. In a desperate attempt to find the real culprit, events closely link the past, present, and future of the small town.

서남부의 어느 작은 마을에서 보통 사람은 상상할 수 없는 예사롭지 않은 두 개의 사건이 발생한다. 경찰은 수사 과정에서 두 사건에 얽힌 비밀을 발견하게 되고 단순하게만 보였던 사건은 단서가 모일수록 점점 복잡한 미궁으로 빠져드는데...