One day. Two lives . . . Ben and Priya are your average north London couple: Ben's a teacher and Priya works in the media. Their son, Whacka, is three today and they've a party to organize, jobs to go to and an eight-year marriage to pick apart. As they fight, talk, love, gripe and struggle through this one vital day, fiery Priya and sensible Ben rake over their life together trying to discover where exactly it all went wrong. Was there a single moment that altered the course of their lives?And if so, can one day save a marriage?