The stuff of nightmare becomes a reality that’s disturbingly familiar to our post-COVID times in this torn-from-the-headlines medical drama. Dr. Zheng Xia, a dedicated thoracic surgeon in Taipei, finds himself trapped in a hospital lockdown on his daughter's fifth birthday. Alongside nearly a thousand healthcare providers, patients, and their families, Dr. Xia faces an unprecedented crisis as an unknown deadly virus spreads within the hospital. When Jin Youzhong, a pesky journalist and one of Dr. Xia's patients, uncovers the mysterious outbreak, he collaborates with Dr. Xia to investigate its origin. As they delve deeper, Jin discovers a shocking connection to the source of the virus. With the looming threat of infection, each character is faced with a difficult moral choice and learns that in an epidemic, helping others can become the ultimate salvation. A gripping and poignant medical thriller that explores the power of empathy and human resilience in the face of despair.