Set against the backdrop of the bacterial experiments conducted by the Japanese Imperial Army's Unit 731 in Northeast China, and reveals the crimes of Unit 731 through the turbulent fate of an ordinary individual.
In the puppet state of Manchukuo in the 1930s, four Communist party special agents, after returning to China, embark on a secret mission. Sold out by a traitor, the team find themselves surrounded by threats on all sides.
The story of how a small drugstore owner became the exclusive selling agent of a cheap Indian generic drug against Chronic Granulocytic Leukemia in China.