In the Washington, D.C. neighborhood of Capitol Hill, Lucy Rose's friend Adam "Melonhead" Melon, a budding inventor with a knack for getting into trouble, enters a science contest that challenges students to recycle an older invention into a new invention.
During the summer between fourth and fifth grade, Adam "Melonhead" Melon, who lives in the Washington, D.C., neighborhood of Capitol Hill, tries to stay out of trouble to earn a trip to New York City to see the giant "stink flower."
In the Capitol Hill neighborhood of Washington, D.C., eleven-year-old Adam "Melonhead" Melon and his best friend Sam try to stay out of trouble for a whole month to earn a fabulous reward.