Sixteenth century East Asia is in turmoil. In Japan, the ruling Shogun family has lost its grip on the country. A civil war is brewing as regional lords actively expand their influence. In Korea, the Joseon dynasty is paralysed by factional struggle within the royal court. In China, the might of the Ming dynasty is waning due to rebellions and foreign incursions. These seemingly separate internal conflicts will pave the way for an international war involving the three countries.