In a school for the supernaturally gifted, an attempt to recruit a new student has the unforeseen ramification of revealing too much to his human brother, Landon. A shocking secret is revealed about Landon.
As the search for Landon heats up, Hope resorts to drastic measures to locate him. The school's football team almost blows their cover and reveal their powers.
As Alaric tries to bring rebellious students under control, Lizzie falls victim to a sudden attack that is linked to the missing knife. The plan of Mystic Falls students to get back the students of the Salvatore School goes awry.
The investigation into the missing students reveals the questionable practices of one of the Salvatore students, as well as a point of weakness in the school curriculum.
As Rafael and Hope clash over Landon's chances of staying at school, the mystery of Landon's supernatural origins persists. A hidden link between Landon and the missing knife is revealed.
A beloved face from Alaric's past makes a sudden reappearance, throwing him off his game. Alaric faces off against a new foe, the Necromancer.
Hope's attempt to help with the Necromancer backfires, trapping her into a cycle of grief and denial. Rafael is forced to reckon with his past. The Necromancer reveals more information about the missing knife and its connection to Malivore.
With Landon in trouble, Hope and Alaric hasten to rescue him, only to uncover a government conspiracy that is linked to Malivore and Landon's origins.
With the arrival of a new monster that can control dreams, a number of students struggle to stay awake to avoid succumbing to their fears. The government tries to track Landon.
Lizzie gives into the temptation of having her wish for Hope to go away come true, with each wish bearing worse consequences than the last.
With slugs wreaking havoc in school and infecting the students, the search for the second lock to Malivore heats up.
As they try to locate the urn, the students face off against a mummy in Mystic Falls. The conflict between Lizzie and Hope reaches the boiling point.
A return to MG's house spells disaster for a fellow student. Forced out by extreme trauma, Landon's dormant supernatural abilities finally manifest.
MG deals with the consequences of his actions. Hope struggles to work through what happened to Landon. As MG and Landon settle the bad blood between them, the latter ends up in great peril.
As Landon learns the truth about Malivore and the inception of Triad Industries, Clarke reveals a shocking familiar connection and tries to win Landon to his side.
With Triad making their final play to awaken Malivore, Hope is forced to make a terrible sacrifice to save everyone.