Twenty years ago, Yunlei, the Prime Minister of Dali Temple in the Northern Wei Dynasty, was imprisoned by traitors and his home was ransacked. The Yun brothers and sisters were fostered in the countryside and escaped. Now the court is in trouble again. The prince of the Northern Wei Dynasty died tragically at home. No one can solve the case. The court had no choice but to find the Yun brothers and sisters and let them use the secret technique of burning incense and asking ghosts...
Let's see how the Yun Yang Yunshu brothers and sisters solve strange cases and stir up troubles, only to discover that there is a bigger imperial conspiracy hidden behind them...
