Kyaa Kool Hai Hum

Rahul and his best friend Karan are evicted from their apartment, forcing them to improvise a makeshift life. They sneak back into the flat through the back door, patching together a scavenged existence as they chase fleeting moments of freedom and romance. Their days become a carnival of schemes and flirtations rather than steady work.

Their quest for romance leads them to crash a college reunion party. The pair's reckless antics are exposed, and they are forcibly ejected, setting the tone for a string of comic misfires. The incident marks a turning point toward more audacious schemes.

Karan's quick-witted but reckless schemes escalate when he tries to charm a girl by stealing a car. The stunt lands him in trouble with the law and adds pressure to Rahul's life. Despite his bravado, the reality of danger looms.

A wandering baba prophesies Rahul's future love, claiming his soulmate will bear a mole on her chest. The eerie detail later resonates through the story in unexpected ways. The encounter threads superstition through the comedy.

A rash of rapes and killings unsettles the city as police, aided by Dr. Screwvala, mount a hunt for a dreaded serial killer. Tension rises as misunderstandings threaten Rahul's standing. The case shifts the tone from lighthearted capers to a high-stakes pursuit.

Karan endures a brutal encounter with a violent lady inspector, then fabricates a tale for Rahul about what happened. The lie compounds the strain on their friendship as miscommunications mount. The truth remains elusive as fear and pride pull them in different directions.

Urmila is dispatched to trail Rahul but becomes embroiled in mistaken identities. She is taken to a salon for a dramatic makeover under the doctor's instruction, gagged with tape as part of the disguise. She later crosses paths with Rahul in a transformed, alluring appearance.

Rahul is drawn to Urmila's transformed look and invites her to stay in his flat. The disguise deepens their bond, blending duty with desire as police work and romance collide. Their relationship becomes a central thread amid the chaos.

Meanwhile, Karan develops feelings for Kiran, the boss's ex who is actually Rekha's brother, in a twist of mistaken identities. Rekha and psychiatrist D.K. become pivotal as loyalties and secrets begin to surface. The tangled relationships push the story toward its comic-thriller climax.

The climactic temple wedding sees Karan assuming he will wed Kiran, unaware of the disguise's true nature. Rekha and D.K. race to reveal the truth as the ceremony unfolds. Revelations realign Karan's affections and set the stage for the final resolutions.

Rekha finally discloses she had been communicating with Karan under the Kiran disguise all along. The revelation reshapes Karan’s affections, guiding him toward his real love. The truth unsettles everyone and accelerates the resolution.

The pursuit of Rahul's innocence culminates as Uma Shankar Tripathi, the real rapist, is unmasked and arrested. His guilt is firmly established, and Rahul's name is cleared. The police win, and the case returns to ordinary life.

In the aftermath, Rahul and Urmila find their way back to each other, reaffirming their bond. The city returns to normal as love and justice prevail. A pop-culture cameo from Jay Sean adds a playful note to the ending.