How High is a story about a Silas, a pro-weed grower and drug dealer. His friend Ivory dies and Silas decides to place Ivory's ashes in the soil of one of his marijuana plants. When Silas and Jamal smoke this weed they see the ghost of Ivory who helps them cheat at a test that gets them into Harvard. While at Harvard Silas works on his truth serum to get high enough grades to stay.