Odun Eweniyi is a precocious child, graduating from high school at just 14 and easily getting accepted into some of America’s best universities, but she get excited about building a startup in Lagos. When a tweet about saving money goes viral, Odun and her friends get an idea to build an online savings service. Users love PiggyBank, but can they turn it into a new kind of digital bank and help people throughout Africa gain financial freedom?