A decade after scientists discover everyone has a gene they share with just one other person, millions have taken the test, desperate to find true love. Now, five more people meet their Match. But even soul mates have secrets. And some are more shocking - and deadlier - than others...
John Marrs is a freelance journalist based in London, England, who has spent the last 20 years interviewing celebrities from the world of television, film and music for national newspapers and magazines.
He has written for publications including The Guardian's Guide and Guardian Online; OK! Magazine; Total Film; Empire; Q; GT; The Independent; Star; Reveal; Company; Daily Star and News of the World's Sunday Magazine.