Xia Yanqing is a forensic doctor. She has the best skills, the best salary, and the best brother. But everything changed after she decided to fall in love with the murderer Chen Zhao. Later, on a rainy night, she stabbed Chen Zhao in the neck with a knife. She thought it was over, but she was targeted by her sickly brother. And Chen Zhao is not dead
Concept: When control is disguised as protection, when possession is mistaken for love, the real cage is not a chain, but "not letting go".