Tai Sui grew up in the village. An unexpected case leads to his encounter with Wu Yao Guang and Liu Sui Feng of the Bei Dou Department. Being close in age, they easily become friends which results in Tai Sui joining the department as well. The Bei Dou Department is under direct orders from the King. They are a specialized organization dedicated to solving crimes that ordinary people wouldn't hear about. Tai Sui comes across a case that is linked to a greater conspiracy and may have connections to his past.