George Michael becomes upset when he gets an A- on a test, which leads Lindsay to tell Michael that he's pushing his son too hard. Buster begins to think that Lucille 2 should use medical marijuana to help her vertigo and goes to George Michael to help him track some down. However, Buster's plan soon goes up in smoke. Meanwhile, Lindsay forces Maeby to spend a day with Lucille when she receives poor grades at school.