Elena Gilbert's lover, the vampire Stefan Salvatore, is being held captive by demonic creatures, through whose fault real chaos has reigned in the town of Fells Church. To free him, the girl is forced to trust Stefan's brother Damon, a handsome but dangerous vampire who dreams of taking over Elena's body and soul.

Elena is ready to do anything to save Stefan. But as the days go by, Elena becomes completely confused in her feelings, and now she is no longer able to figure out which of the vampire brothers is dearer to her.

Meanwhile, Elena’s friends Bonnie and Meredith are trying to understand what evil force has taken over city. The heroes find themselves on the verge of terrible and unprecedented events; will they be able to cope with the impending threat?