The gang struggles to make sure everyone is OK after the earthquake hits; Seth does whatever it takes to be with Ryan and Taylor; Taylor finds out that family bonds are greater than she thinks; the Coopers are in an ice-cream shop.
Ryan and Taylor share some special words; Kaitlin decides to sabotage Frank and Julie's relationship; Kirsten realizes what Newport society is all about; Summer encourages Seth to find something about which to be passionate.
O colegial acabou. É tempo de mudança. Mas os eventos conspiram para reunir Ryan, Seth e Summer na rica Newport. Taylor abandona os estudos na França e pode perseguir Ryan. Coisas acontecem de maneira inesperada nesta temporada de O.C.