In an African town on the banks of a river where life has become more and more difficult because of the outdated electric installations and frequent power-cuts at school, at the market and at home, Mobokoli, an innovator who fits solar panels, gives some hope back to a few people in spite of a majority of reticent ones. Musolinga, his young apprentice, is an exceptional boy, who is eager for knowledge, brave, but also a dreamer and very close to the world of flying ants. But one morning something terrible happens! Musolinga disappears in the river, swallowed by a crocodile, or so people say…