Kinsey explores the sea cave with the Savini Squad in tow, Nina confronts Ellie over Joe, and Tyler sabotages his relationship with Jackie.

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.

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.