Its February, and its record temperatures of 90 degrees. Luckily, Jazmine has her lemonade stand open, and does pretty well. Her success catches the eye of corporate tycoon Ed Wuncler. Despite several warnings from Huey, Jazmine then learns the true meaning of "capitalism" when Wuncler decides to buy the stand.
When Riley's affinity for grafitti goes too far, Grandad sends him to an art teacher that actually encourages him to do grafitti, only painting murals instead. Meanwhile, Huey discovers a black woman died from watching too much black TV, and decides to watch black TV for 2 weeks to see if that was the cause.
When the owner of Granddad's house invites Granddad and the kids to his garden party, Huey tries to start trouble by saying Jesus was black and comparing Ronald Regan to the devil. Meanwhile, Riley and the owner's grandson (a soldier back from Iraq) play with guns and Granddad runs into the self-loathing black butler Uncle Rukus.