Unlikely friends Archie Jones and Samid Iqbal meet during their World War II service for the British and settle near each other in London. This expansive novel follows their marriages and the lives of their children in an increasingly multicultural city. Samid’s arranged marriage produces twin boys whose paths diverge radically. Archie marries a young Jamaican immigrant and they have a daughter. The third family whose fates intertwine with Archie’s and Samid’s families’ are the white, middle class Chalfens. Smith explores themes of immigration and belonging, religion, science, and class, in this extraordinarily entertaining novel.