Munna, Bob Galy, Krishna, Kumar and Juju are five friends. Although from different backgrounds, all of them have common interests – spending their time smoking, downing alcohol, ogling girls, watching pornography, and complaining about their parents; they have no interest in studies. Their obsession with sex is such that they even go as far as hiring a prostitute Rani while Munna's parents are out of town, but all of them back out at the last moment. One day, they meet Mangalam, a depressed middle-age man, in a bar and help him home after he passes out. Although they first use him as a source to get alcohol, Mangalam enjoys their company and becomes a mentor of sorts for the boys.