This mission introduces you to combat and the phone system. Roman needs your help dealing with some loan sharks. It's your first taste of real danger in Liberty City.
After the events of 'The Cousins Bellic', Roman's financial troubles become more apparent. He's in deep with some unsavory characters, and Niko, being the more capable one, is tasked with handling the situation. This mission is crucial for learning how to use cover and engage in basic gunplay, skills that will be vital throughout the game.