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A tough police sergeant's mother comes to visit him, and promptly starts trying to fix up his life, much to his embarrassment. For his birthday she buys him a machine gun out of the back of a van, and begins to further interfere with his job and love life, eventually helping him with a case he's on.

When cops Schmidt and Jenko join the secret Jump Street unit, they use their youthful appearances to go undercover as high school students. They trade in their guns and badges for backpacks, and set out to shut down a dangerous drug ring. But, as time goes on, Schmidt and Jenko discover that high school is nothing like it was just a few years earlier -- and, what's more, they must again confront the teenage terror and anxiety they thought they had left behind.

21 Jump Street revolves around a group of young cops who would use their youthful appearance to go undercover and solve crimes involving teenagers and young adults.

The East High Wildcats are gearing up for big fun as they land the coolest summer jobs imaginable. Troy, Gabriella, Chad, and Taylor have scored sweet gigs at the Lava Springs Country Club owned by Sharpay and Ryan's family. Sharpay's first rule of business: Get Troy. As Troy experiences a life of privilege he's never known, will he give up the Wildcats and Gabriella to rise to the top?

As seniors in high school, Troy and Gabriella struggle with the idea of being separated from one another as college approaches. Along with the rest of the Wildcats, they stage a spring musical to address their experiences, hopes and fears about their future.