A patient of Rachels with a tragic past and with a life threatening asthmatic condition inherits her family mansion and becomes the target for seemingly vengeful ghosts, demons and spirits.
Derek's lover (Megan) is murdered in a car bombing and he and Alex pursue the killer, only to be drawn into a horrifying web of Horton's making that pits Derek and Alex against each other ? Can Derek bring himself to kill Alex or can he defeat Horton once and for all ?
Franklin Cross begins his takeover of the San Francisco house of the Legacy. The team are not sure what is going on, where Derek is or whether or not to trust Cross. The investigations into Reed Horton continue while the team try to find out what has happened to Derek themselves.