After their dad's murder, three siblings move with their mom to his ancestral estate, where they discover magical keys that unlock powers — and secrets. Watch trailers & learn more.

Check out everything you’ve ever wanted to know about Locke & Key. Get to know the cast, watch bonus videos and so much more.

Before diving into the conclusion of their story, here’s a refresher on all the characters — and the actors who portray them — in Season 3 of Locke & Key.

It’s nearly time to turn the locks again at the mysterious Keyhouse. The first look at Season 3 of Locke & Key is here, and all signs point to more mysterious adventures — and plenty of …

According to actor Aaron Ashmore, who portrays Duncan Locke on Locke & Key, the final season of which recently premiered on Netflix, this happens most often when familial bonds are at the …

Unlock all the powers of every new magic key used in the final season of ‘Locke & Key’

This triumph, though, isn’t where the series ends. After Gideon falls into the portal, it begins to shrink, and Tyler Locke (Connor Jessup) realizes that this happened because the demon had …

Once there, the Locke kids discover special keys hidden throughout various nooks and crannies in the stately old manor, and those keys allow them to unlock the kind of supernatural abilities …

From Carlton Cuse (Lost, Bates Motel) and Meredith Averill (The Haunting of Hill House), Locke & Key is a coming-of-age mystery about love, loss, and the unshakable bonds that define family.

It’s almost time to unlock the final chapter of Locke & Key. The official trailer for the third and last season of the fantasy-thriller series is here, and there are still plenty of mysterious doors …