In the climax, officers Schmidt (Jonah Hill) and Jenko (Channing Tatum) discover that the drug they were investigating is a new synthetic substance that has become a dangerous epidemic in the high school. The situation becomes chaotic, leading to a confrontation with the main antagonist, Eric Molson (Dave Franco), who reveals himself as the mastermind behind the drug distribution.
In the resolution, the undercover officers, along with Captain Dickson (Ice Cube), manage to apprehend Eric and bring an end to the drug operation. However, their success comes at a cost as the school erupts into chaos, and the building catches fire.
The film ends with a celebratory scene where Schmidt and Jenko are hailed as heroes, and they decide to continue their partnership in undercover work. They are assigned to a new undercover mission, leaving the door open for potential sequels.
“21 Jump Street” is known for its blend of action and humor, and the ending sets the stage for the sequel, “22 Jump Street,” where the duo goes undercover at a college. The film’s success is attributed to its self-aware humor, subversion of expectations, and the chemistry between Jonah Hill and Channing Tatum.