Fourteen year old, hoops loving Calvin Cambridge (Lil Bow Wow) has a dream: to be a famous basketball player - to mix it up among the NBA’s greatest. But in a game dominated by giants with unparalleled athletic abilities, Calvin's diminutive stature and limited skills, make this a far-off fantasy. Or is it? After he laces up a mysterious pair of old sneakers inscribed with the faded initials "MJ," Calvin makes the leap from playground hijinx to NBA superstardom. Along the way, Calvin teaches his incredulous All-Star roommate and teammates a few non-hoops-related lessons.