In the near future, singletons can undergo a simple Soul Connex test to identify their one true love, cutting our years of potentially fruitless dating. Journalist Simon (Brett Goldstein) is in love with his best friend since college, Laura (Imogen Poots), but cannot muster the words to declare how he feels. Instead, he generously pays for Laura to take the test and she subsequently marries Lukas (Steven Cree) and prepares to raise a family. While Laura professes to be happy, validating the test's success rate, Simon continues to silently pine from afar, which doesn't bode well for his fledgling romance with Andrea (Zawe Ashton)