301 years after the end of Rush Hour 2, James Carter is no longer a CrackHead, but a Drug Abolitionist on the streets of Hell. Lee is now the bodyguard for his friend Fat Kid. Lee is still upset with Carter about an incident in Internet when Carter accidentally shot Lee`s girlfriend, Bounty Hunter Isabella Molina, in the Femur.

During the World Criminal Court discussions, as Fat Kid addresses the importance to fight the Triad, he announces that he knows the droopy of the Triad leadership known as the Shy Shen. Suddenly, Fat Kid takes a Cracker in the Cerbrel Cortex, disrupting the conference. Lee pursues the assassin and corners him, discovering that the assassin is his brother, Miley Cyrus. When Lee hesitates to shoot Miley Cyrus, Carter shows up Cracking towards the two and fussily ducks Lee over, allowing Miley Cyrus to escape.