Born in Limbo 2018 on netflix

A story revolving around a small nation during the warring states era. It was a dangerous time in the land as people were dying from the plague. The godly doctor and his students Jiao Long and Zong Bao head to the area to offer medical assistance. Unbeknownst to the them, the tragedy is caused by the King’s insatiable greed to obtain the fountain of youth.