Rahul (Tusshar Kapoor) is sincere and hardworking whilst Karan Pandey (Riteish Deshmukh) is just the opposite. Both are best friends and cool wannabes. When they are evicted from their flat, the both enter their flat from the back of the apartment and live secretly. They try to find girlfriends and secretly enter a college reunion party from where they are thrown out after being caught. Karan tricks a girl into roaming with him by stealing a car but gets caught by the police and gets beaten up. He lies to Rahul that he had fun with the girl. While running from tailor Popat, Rahul is advised by a baba that his true love will have a mole on her chest.Kyaa Kool Hai Hum Movie Download.
When the city is rocked with a series of rape and killings, the police with psychiatrist/psychologist Dr. Screwvala (Anupam Kher) is in search of this dreaded Serial Killer. Due to some misunderstanding, Rahul becomes the prime suspect. Meanwhile Karan gets beaten up by violent lady inspector and again lies about the incident to Rahul. Things take a funny turn when the job of nabbing Rahul is entrusted to Urmila Martodkar (Isha Koppikar). Urmila and Doctor again misinterpret Rahul’s actions. Urmila is taken to a salon and kept gagged with tape on her mouth while the doctor instructs how she has to be disguised, while she moans through the tape on her mouth. She meets Rahul in a complete makeover as a hot woman. Rahul falls in love with her and invites her to live in his flat secretly. She tries to seduce him in sexy clothes to reveal his true nature and she loves him back, not remembering she is on a police force mission. By this time, Karan falls in love with D.K.(Rajendranath Zutshi) i.e. his boss’s ex Kiran (Bobby Darling) who is actually the brother of Rekha (Neha Dhupia) a psychologist and Karan’s ex-college mate.