Anna hasn't been back to Oxford since her last summer at university. She tries not to think about her time there, or the tightly-knit group of friends she once thought would be hers forever. She has almost forgotten the sting of betrayal, the secret she carries around, the last night she spent with them all. Then a chance meeting on a rainy day in London brings her past tumbling back into her present...Can Anna finally face up to the memories of that summer and the people she left behind?