Scott and the others must make a discovery before it’s too late.

Liam and Theo attempt to draw the Hunters away from Beacon Hills.

Scott, Lydia and Malia have to take drastic measures to quell the growing violence in Beacon Hills, while Liam endures his own gauntlet at the high school.

While Scott and the others desperately pursue a missing werewolf, Melissa and Argent investigate the nature of a strange body.

Scott and Malia search for the owner of a unique bullet, fearing that a new breed of werewolf hunter has come to Beacon Hills. At the same time, Lydia must…