After their father is murdered under mysterious circumstances, the three Locke siblings and their mother move into their ancestral home, Keyhouse, which they discover is full of magical keys that may be connected to their father's death.
Cast:Darby Stanchfield , Connor Jessup , Emilia Jones , Jackson Robert Scott , Petrice Jones , Hallea Jones , Aaron Ashmore , Griffin Gluck , Sherri Saum , Brendan Hines , Coby Bird , Jesse Camacho , Genevieve Kang , Asha Ashanti , Laysla De Oliveira , Leishe Meyboom , Kevin Durand , Kevin Alves
After the Lockes move into Key House, Bode makes a new acquaintance - and a startling discovery. Tyler and Kinsey try to start over at a new high school.
While Nina uncovers details about Rendell's past, Kinsey helps out the Savini Squad. Meanwhile, Tyler falls in with a bad crowd, and Bode finds another key.
Locating a powerful new key sends Bode's spirit soaring. Tyler's simmering rage boils over. Kinsey realizes just how much her fear holds her back.
Sporting a new hairdo and attitude, Kinsey takes a chance with Scot by sharing what's going on inside her head. Tyler tries to impress his crush.
Kinsey uses a key to seek vengeance on a school bully. A troubled Nina finds a sympathetic ear. A long-buried memory casts Rendell in a new light.
Kinsey explores the sea cave with the Savini Squad in tow. Meanwhile, Nina confronts Ellie over Joe, and Tyler sabotages his relationship with Jackie.
The Locke family faces their worst nightmare when the person responsible for shattering their lives resurfaces and demands one of the keys.
Tyler and Kinsey feel torn when they figure out why Nina acts strangely. Bode meets Rufus' and Ellie's house guest. Dodge zeroes in on the Omega Key.
As pieces begin to click into place for the Locke siblings, Ellie opens up about her connection to Dodge, and the Locke children comes clean to their friends.
The battle over the Omega Key leads to decisions that can't be undone - and a dangerous door that promises plenty of trouble ahead.