Lin Zhao, a female military doctor in the field, was framed as a traitor, all evidence was wiped out, and the entire army was wanted. She sneaked behind enemy lines with a prototype of the antidote and saved countless lives as a wounded person. Iron-blooded commander Shen Zheng discovers the truth about her rescue of the entire commando team in a desperate situation, while the secret operations of military intelligence analyst Huo Yan and undercover doctor Bai Shuang are tearing apart the shady curtain. When the recording of 17-year-old communications soldier Su He was exposed, the entire army begged her to return - but she was no longer the military doctor waiting for forgiveness.
