After transmigrating into a book as a cannon-fodder doctor, Jiang Yan is determined to avoid her destined fate of dying at the bottom of the sea. She devotes herself to bringing together Shen Zhiwang, the original novel's second male lead, and the female protagonist. Unexpectedly, as they spend their days together, she and the cool-headed, steady Shen Zhiwang develop feelings for each other. Standing side by side and united in purpose, they face the relentless pressure of powerful adversaries and bravely break free from the constraints of their predetermined destinies. Protecting one another, they overcome countless obstacles and ultimately find lasting happiness together.