The O.C. is an idyllic paradise, a wealthy, harbour-front community where everything and everyone appears to be perfect. But beneath the surface is a world of shifting loyalties and identities, of kids living secret lives hidden from their parents, and of parents living secret lives hidden from their children. 'The O.C.' tells the story of the Cohen, Cooper, and Nichol families, and Ryan Atwood, a troubled teen from the wrong side of the tracks, who is thrust into this world, and who will forever change the lives of the residents of The O.C.

When Nick's father mysteriously dies in a plane crash, he agrees to take his position as the Darling family's lawyer, while trying to discover who committed the murder. The Darlings, the richest family in New York, constantly rely on Nick to solve their problems. Nick struggles to balance his morals and family life while dealing with the demands of the Darlings.