Locke & Key revolves around three siblings who, after the gruesome murder of their father, move to their ancestral home in Massachusetts only to find the house has magical keys that give them a vast array of powers and abilities. Little do they know, a devious demon also wants the keys, and will stop at nothing to attain them.
After the Lockes move into Keyhouse, 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, 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 is holding 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, 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 is acting strangely. Bode meets Rufus and Ellie's houseguest. 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 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 plenty of trouble ahead.
Gabe forges an unholy alliance with Eden. Kinsey prepares for the premiere of the Savini Squad's horror film. Duncan arrives at Keyhouse with big news.
Tyler grows concerned over Jackie's memory loss, Gabe probes the Lockes for information about the keys, and Nina meets a mansplainer at her new job.
Amid Duncan's unease over a new houseguest, Gabe tries to drive a wedge between Kinsey and Scot, Bode finds an unusual key, and Nina bonds with Josh.
A mysterious snow globe unleashes a double dose of trouble at Keyhouse, leaving Bode out in the cold as Kinsey and Nina try to retrieve a stolen key.
Duncan's wedding day brings a welcome surprise — and provides the perfect opportunity for uninvited guests to search the house. Bode discovers a new key.
Bode looks for the key that will let him see his dad, Nina confronts bad memories, and Kinsey gathers with the Savinis for an emotional send-off.
Complete episode guide for Locke & Key with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
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With Duncan's emotional state deteriorating, Gabe confronts one of the Lockes, Tyler surprises Jackie on her birthday, and Kinsey faces up to her fears.
Gabe insinuates himself into Tyler's search for the Memory Key as Kinsey resolves to find out what's going on with Eden. Bode visits an old friend.
At the annual Winterfest celebration, Kinsey tries to play it cool around Gabe while a key found by Bode and Duncan may offer a way to take down Dodge.
Kinsey puts her acting skills to the test when the Lockes and their friends set a magical trap at Keyhouse. Josh fumes over his missing artifact.
As the origins of the Locke family magic come to light, Tyler and Kinsey look to protect their loved ones from Gabe's expanding collection of pawns.
While Tyler works on a way to help Jackie, Gabe gives Kinsey a deadline to meet his demands, Eden manipulates Josh, and a shaken Nina reaches out.
Escalating threats and a devastating loss lead the Lockes into a ferocious showdown with Dodge. Back at Keyhouse, Bode confronts a shocking visitor.
Bode's sudden attitude change worries his family and friends, Tyler catches up with a co-worker, and Gideon forms an unholy alliance.
Suspicions about Bode's behavior come to a head after an unsettling discovery, while Gideon's patience runs out in his plot to possess the keys.
Gideon's henchman grabs leverage to use against the Lockes as Tyler and Kinsey look for a way to help Bode, who's devising a clever plan of his own.
Gideon forces Ellie to take him to the missing key, putting an old classmate's life on the line. Nina and Bode attempt to unlock the Harlequin Chest.
With Gideon hell-bent on acquiring the Creation Key, the Lockes race to stop him, leading to a vicious clash — and a decision that changes everything.