The drive to reproduce is the one of the most primal forces in nature. It dictates how any given species will behave for most of its life. There are over a hundred thousand species of animal in Africa, so countless strategies to find a mate have evolved. From mass emergences, to going it alone, lothario lions to sneaky baboons, the fight for the right to mate can be both deadly and beautiful. This is the story of how the animals of Zambia's Luangwa Valley all strive to achieve one goal - to pass on their genes to the next generation.