Willimena Thomas, worried that she will not get any Valentine cards from her classmates and friends, takes her sister's advice and sends herself some cards, but her troubles begin when she gets carried away--as usual.
When good-hearted third-grader Willimena spends her Girl Scout cookie money on lunch for some friends in need, she tries to creatively earn back the money she spent; ultimately she must face the consequences of not being responsible with the money.
When a girl from New York visits her cousin in Texas, she learns the origin of Juneteenth, a holiday marking the day Texan slaves realized they were free.
When eight-year-old Willimena spends all the money she earned selling Girl Scout cookies, her big sister Tina helps her come up with a plan to earn the money back.
When third-grader Willimena loses the class pet, her teacher helps her to understand that responsibility means doing one's best, and that animals can't always be controlled.