Grand Theft Auto 4 Episode 26: Smackdown

"Niko meets Derrick at the park in Alderney, severely intoxicated, incoherent and has got a problem. One of his War buddies, Bucky Sligo is blackmailing him, threatening to kill his family. Derrick has asks Niko to kill him."
"Jim introduces Johnny to two members of the Uptown Riders, another motorcycle club who favour selling their club's merchandise."
"Luis learns that his mother, Adriana has amassed a debt after losing her job and has turned to a shady loan shark named Mr. Santo."