In the north stands a lonely city called Yangcheng. Within it lives a physician named Yang who can cure every strange affliction under heaven. The king of the Northern Kingdom spends his days in debauchery and falls gravely ill. Physician Yang goes to treat him and never returns. A month later, a wounded soldier in the military camp turns into a zombie and bites everyone he sees, plunging the entire nation into crisis. Xiao Ran, Physician Yang's adopted son, sets out to uncover the secrets of the imperial palace.
