At the end of the Ming dynasty, the Tian family’s pharmacy in Jianchang Prefecture suffers repeated attacks from bandits. Tian Chongming and Zhou Tianyin risk their lives to rescue the medicines, but tragedy strikes when the drugs cause the deaths of soldiers. The Tian family faces a death sentence, and the shocking truth emerges — the mastermind behind it all is Zhou Tianyin’s own father, Zhou Wanting. Once exposed and executed, his betrayal leaves the two sworn brothers divided by loyalty, guilt, and a blood feud that neither can escape.