The experiment continues as more scientifically-compatible couples are created in the lab. But will any of them even like each other, last the whole year or fall in love? Will bisexual Alex from Chester be matched with a boy or a girl? Unlucky-in-love Cally is on the hunt for a husband, but will Ben be the one? And single mother-of-three Olley is hoping science will find her a man who will accept her and her family.