The story follows a female protagonist who, while assisting the police in investigating a case, is murdered and transmigrates to ancient times. There, she encounters the male lead, helps him defend the kingdom and ascend the throne. Simultaneously, using a portable interdimensional space she possesses, she also aids modern-day police in solving a drug trafficking and treason case.

After the fall of Liangshan, the narrative continues up to the Jingkang Catastrophe. The surviving heroes of Liangshan, along with their descendants and a later generation of rising figures, are all swept together into the surging currents of history.

In an isolated town, there exists a miraculous flower clock. This clock displays the passage of time and seasons through the blooming and closing of different flowers. One day, a shooting star blooms in the sky, taking the shape of purple flowers, but only a little girl sees it. Later, the flower clock withers, overrun by purple flowers, transforming into an indestructible sea of purple. Subsequently, the townspeople start falling ill, covered in purple spots. When these spots fully develop into