There are three details in the play that show that it is the mastermind of spades and the chief culprit in killing Sue's father.
In the first detail, Sue and Li Seliang go looking for awei the Spider, trying to find evidence of the murder of Li Seliang's father. However, his brother-in-law Xie Minghao sent an anonymous message to Huo Jian, reminding him that Li Seliang was looking for evidence against him.
The second detail, Huo Jian's people robbed the evidence USB flash drive and tried to destroy it. They were stopped by Li Zeliang's men. They originally took the USB flash drive, but Xie Minghao suddenly jumped out to help, causing the USB flash drive to be taken away and destroyed by people in Huo Jian again.
The third detail, when Li Zeliang's assistant Ying Song said that Su had found other evidence and left overnight, he became nervous and was afraid of being exposed.
End of character:
Coercing Su Shangtiantai, Li Zeliang arrived later. Xie Minghao, who has gone crazy, told Li Zeliang that if he wanted to save Sue from freehand brushwork, he would jump down and change his life. Li Zeliang promised Xie Minghao to save Su Xieyi. Su freehand brushwork was eager to save her husband, biting his hand and letting go of Su freehand brushwork.
Sue ran to Li Zeliang and saved him. Xie Minghao turned and jumped down from the rooftop, but I didn't expect that the police had arranged a fall pad below. Finally, Xie Minghao was arrested by the police.