Ray and Ella are madly in love and plan to marry. But their backgrounds are different: she's English and middle class, he's Caribbean and working class. Then there is Paul, Ray's best friend. But Paul is determined to propel a toxic wrecking ball through the solid relationship that Ray and Ella have built. But why? Paul is ultimately drawn into a cascading spiral of hatred and spite for Ella that culminates in the friend Ray thought he knew disappearing down a dark and dangerous cul-de-sac of mental health and despair. Paul faces a formidable challenge to overcome his many demons if he is to make it to the wedding.