Once you have control of Niko, drive back to the "mansion" on Mohawk Avenue, Hove Beach, and stop in the yellow marker to trigger the cutscene.
When Roman arrives at the docks to greet his cousin, he's too drunk to drive, so Niko must take the wheel.The Albanians you met in the previous mission have arrived at the cab depot to roughen up Roman. Park in the yellow marker and sound the horn to attract the girls' attention.Mallorie introduces you to Michelle, and recommends that the two of you get together some time.Roman escapes through the back door of the hardware store, but the loan sharks soon become aware of his presence.Your task is simple - lose the loan sharks and take Roman back to the cab depot to complete the mission. Roman receives a phone call from Mallorie, who needs a lift at Hove Beach with her friend. Take Roman's cab and pick up the girls at the Hove Beach subway station.During the cutscene, Roman spots Dardan - another loanshark - trying to make a run for it. Eventually, he will abandon his car at the Twitchins Sugar Factory near the bridge at Charge Island, so you have to follow him up the stairs and into the factory.