After the Lockes move into Keyhouse, Bode makes a new acquaintance and a startling discovery; Tyler and Kinsey start over at a new high school.
Nina uncovers details about Rendell's past, Kinsey helps out the Savini Squad, Tyler joins a bad crowd, and Bode finds another key.
Locating a powerful new key sends Bode's spirit soaring; Tyler's rage boils over; Kinsey realizes her fear is holding her back.
Sporting a new hairstyle 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; Nina finds a sympathetic ear; a long-buried memory casts Rendell in a new light.
Kinsey explores the sea cave with the Savini Squad; Nina confronts Ellie over Joe; Tyler sabotages his relationship with Jackie.
The Locke family faces their worst nightmare when the person responsible for destroying their lives resurfaces and demands one of the keys.
Tyler and Kinsey feel torn after figuring out why Nina is acting strangely; Bode meets Rufus and Ellie's houseguest; Dodge focuses on the Omega Key.
As things begin to fall into place for the Locke siblings, Ellie opens up about her connection to Dodge, and Kinsey comes clean with her friends.
The battle over the Omega Key leads to decisions that can't be undone and a dangerous door that promises trouble ahead.