In order to fulfill his senior brother's last wish, the young Taoist priest Yichen accompanied and assisted Zhan Ji, the young prince who was burdened with a bloody feud, to provide him with advice and clear obstacles. Zhan Ji finally took revenge and established a powerful empire. Yichen also fulfilled his wish and drifted away. The smoke is like dust, leaving no trace.
Intention: The smoke is like dust, and the matter is gone without leaving a trace.