Sean (Ryan Guzman) and his crew the Mob from the previous film are in Los Angeles trying to make a living from dancing, but are turned down at every audition. After being refused at another audition, the Mob visit a club where they are noticed and challenged to a dance battle by another crew, the Grim Knights. The Grim Knights win the battle and the Mob decides to pack up and leave Los Angeles and return to Miami, thinking there is nothing left for them and that they aren't ready for Los Angeles.
Coach Ken Carter takes over the head coaching job for the basketball team at his old high school Richmond, having played on the team himself and earning records. Carter quickly sees that the athletes are rude and disrespectful, and are in need of discipline. He hands the players individual contracts, instructing them to attend all of their classes, wear dress shirts and ties on game days, refer to everyone (players and coach alike) as "sir", and maintain a minimum 2.3 (C+) grade point average, among other requirements. Carter also asks the school staff for progress reports on the players' grades and attendance. He teaches them to play a disciplined brand of basketball.
Chance Harris looks to find a balance between his school, work, relationships and opportunity to perform at the nationally televised step competition during homecoming weekend at Truth University.
DJ Williams (Columbus Short) is a young man in inner-city Los Angeles. He and his younger brother Duron (Chris Brown) compete in local dance competitions as members of a crew known as the "Goon Squad". During the battle there are backs and forths, but in the end of the battle the Goon Squad win a cash-prize, and the leader of the rival crew goes all in for a double or nothing battle,which DJ accepts much to the dismay of his brother who knows that if the opposing crew leader thinks he got hustled the crew won't be able to spend the money they win, the Goon Squad wins the second battle and the losing home crew responds by ambushing DJ and his crewmates after the show. A fight breaks out, and the leader of the rival crew starts beating up DJ. Duron pushes him away and starts fighting him, leading the rival to pull out a gun and shoot Duron, killing him.
Honey Daniels (Jessica Alba) works as a bartender, a record store clerk and a dancer teacher at a local community center run by her mother in New York. Having dreams to make it as a backup dancer in music videos, Honey and rival Katrina (Laurieann Gibson) are recorded dancing in the club where the former works. That same night, Honey and friend Gina (Joy Bryant) leave the club and encounter some kids dancing. Two of the kids are introduced as Benny (Lil' Romeo), and his little brother Raymond (Zachary Williams). Honey invites them to attend her classes at the community center, and they work together to inspire new dance moves. The young teacher soon catches the attention of music director Michael Ellis (David Moscow), who gives her a job as a backup dancer in Jadakiss' new video. Unimpressed with his current choreographer, Michael decides to let Honey choreograph the video. Impressed, Honey gets promoted, and choreographs for Tweet, Sheek Louch, and Shawn Desman.
In Harlem, New York, 1918, Sugar Ray has a dice game. Nearly killed by an angry customer, Ray is saved when seven-year-old errand boy "Quick" shoots the man. After being told that his parents are dead, Ray decides to raise Quick.
After a fight between Craig (Ice Cube) and the neighborhood bully Deebo (Tommy "Tiny" Lister Jr.), rumor spreads that Deebo will be breaking out of jail soon and will come looking for Craig. As a result, Craig's father, Willie (Witherspoon), decides to have him stay with his uncle Elroy (Don Curry), and cousin Day-Day (Mike Epps) in Rancho Cucamonga.
In 1984, ten-year-old Tre Styles lives with his single mother Reva in Inglewood, California. After Tre gets involved in a fight at school, his teacher informs Reva that Tre is rather intelligent, but he is immature and lacks respect. Worried about Tre's future, Reva sends him to live in the Crenshaw neighborhood of South Central Los Angeles with his father, Furious Styles, from whom she hopes Tre will learn valuable life lessons. In Crenshaw, Tre reunites with his friends, Darrin "Doughboy" Baker, Doughboy's maternal half-brother Ricky, and Chris, their mutual friend. That night, Tre hears his father shooting at a burglar who tried to rob the house. Police officers arrive more than an hour later, and while the Caucasian officer is civil, the African-American officer treats Furious with disrespect and contempt.
The film opens with a group of thieves led by Anthony Fait attempting to steal diamonds for a Frenchman named Christophe, who serves as the middleman for a mysterious employer. When Fait contacts Christophe, a Taiwanese Intelligence Agent named Su intercepts the conversation and attempts to identify the criminals.
The film begins with found footage from a Police dash camera of a car chase which ends in two police officers killing several gang members. This is all narrated by a monologue about what it means to be a police officer.
David (Omarion) and Elgin (Marques Houston) lead a promising dance crew in Los Angeles, California who participate in street dancing battles at a warehouse owned by a local club owner, Mr. Rad (Steve Harvey). The film opens up with their crew battling another crew led by Vick (Raz-B). Their crew defeats Vick's crew.
Nino Brown and his gang, the Cash Money Brothers, become the dominant drug ring in New York City once crack cocaine is introduced to the streets during the late 1980s. His gang consists of his best friend, Gee Money; enforcer Duh Duh Duh Man; gun moll Keisha; Nino's girlfriend, Selina, and her tech-savvy cousin, Kareem. Nino converts the Carter, an apartment complex, into a crack house. Gee Money and Keisha kill rival Fat Smitty, the CMB throws out the tenants, and Nino forces the landlord out onto the streets naked. Undercover detective Scotty Appleton attempts to make a deal with stick-up kid Pookie, but Pookie runs off with the money. Scotty chases Pookie and shoots him in the leg, but the police let him go.
Two white cops, Bob "Uncle Bob" Hodges (Robert Duvall) a respected, 19-year LAPD veteran and rookie officer Danny McGavin (Sean Penn) have just been teamed together in the C.R.A.S.H. unit that patrols East L.A. and South central.
Marcus (Curtis "50 Cent" Jackson) is a quiet young boy who adores his loving mother (Serena Reeder), and the two live a relatively comfortable life as his mother is a local drug dealer. She often has to leave him with his grandparents to be looked after while she takes care of her business. After she is brutally murdered in an apparent drug deal gone wrong, Marcus heads down the wrong road himself.
En 1995, alors que le rappeur Tupac Shakur purge sa peine pour les crimes dont il a été reconnu coupable (dont un viol), dans la prison de Dannemora, un réalisateur et son équipe viennent l'interviewer. Il leur raconte son enfance, sa relation avec sa mère Afeni, ses débuts dans le rap ou encore ses débuts au cinéma avec Juice, son amitié avec The Notorious B.I.G., jusqu'au braquage comploté contre lui. Ce film retrace sa vie de son enfance jusqu’à sa mort tragique.