Jiang Chen was once just the most sensible daughter of the Jiang family. She is used to giving in, taking responsibility, and saying what she wants. Until a gray road dragged her deeper into the case and pushed her relationship with detective Zhang Zheng to a point of no return. At the same time, Jiang Ning's respectable marriage gradually fell apart, and Jiang Rao's beautiful life began to backfire. The three sisters each thought they could still control it, but they got deeper and deeper into family relationships, marriage, debt, illness and lies. No one wants to sink at the beginning, but when the water rises little by little, the shore is getting further and further away.