Victor Vance pays the Mendez's a visit and Armando bewares him of some Bikers at Vice Point have not paid their debts back to the Mendez Cartel and that he wants to get rid of them. Vic goes to the empire site and kills all the attacking Bikers. But after a while some other Bikers escape on their Angels. Vic chases and kills all the Bikers completing the mission.
In order to complete the mission the player must:
Go to the business site
Kill those bikers
Kill those remaining bikers
Post mission pager message
Lance: Get your ass over here, Bro'!
Upon completing the mission you're rewarded $1,000 and the empire site in Vice Point, which was the Bikers is automatically transferred to the Vance Crime Family.