C1442 Promise(1)

"I want you to contact the other three families and ask them to assist me in avenging my son's death. I, Huang Dingkun, hereby promise that as long as they help me seek revenge, I will give up any treasure I obtain from the Shi family. As long as their family is ruined, not a single one of them will be left alive to accompany my son in death, especially that man named Li Yang