Only the River Flows is a gripping crime thriller set in 1990s rural China, specifically in Banpo Town. The film opens with the discovery of a woman's body by the river, sparking an intense murder investigation led by Ma Zhe, Chief of the Criminal Police. Initially, Ma Zhe makes what seems like an obvious arrest, but as he delves deeper into the case, he uncovers several clues that suggest a more complex and sinister truth lurking beneath the surface. As Ma Zhe's superiors rush to congratulate him on his progress in solving the case, he becomes increasingly suspicious of the behavior of his fellow citizens. The film skillfully weaves together elements of mystery, suspense, and social commentary as Ma Zhe navigates through a web of lies and deceit to uncover the shocking truth behind the woman's murder. Only the River Flows is not just a typical crime drama; it is a thought-provoking exploration of human nature and morality in a small town where secrets run deep and trust is hard to come by. With its evocative setting and compelling characters, this film will keep viewers on the edge of their seats until its riveting conclusion.