Tales of Floyd's Uncle Mert, a 1960s activist, inspire T.J. to protest a change in the school's lunch policy.

New romances are on the horizon for both Marcus and Mo in this episode. Marcus finds himself interested in Stacey, the new drummer for their band, while Mo's intended girlfriend rubs the other musicians the wrong way. Marcus is the one to suffer heartbreak first, leaving T.J. to try to pull him out of the doldrums.

Mo gets the shock of his life when his parents tell him he's adopted, so he immediately enlists T.J. in his search for his birth parents.

T.J. develops his first crush on a beautiful substitute teacher; Marcus is accidentally offered a university scholarship.

T.J. plans a prank for graduation, while Yvette decides to boycott her graduation.