Saara, a social worker, has longed for a child for some time already. Nothing happens, until one beautiful summer night a guy called Matti swims towards her at a Finnish lake. As a result, Saara learns that she is not infertile at all. Being pregnant is a dream come true for Saara, but not for her husband Touko. And her one night stand Matti has such a common name that he is not easy to find either.