Three years ago, Shen Zhiyao's misjudgment caused Cheng Jin to fall into the abyss; three years later, he was the only murder case with a weak heartbeat in front of her operating table. When she tremblingly held the knife to save the man she had given up on, the two met again on the edge of life and death, and the memory fragments whirled like blades. Zhou Yu'an's machinations, Lin Wu's betrayal, Chen Yu's silence and Xiao He's waiting make every heartbeat affect the collapse of the truth. What she snatched back was not only his life, but also the buried possibility of justice and self-salvation.