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.

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.

Escalating threats and a devastating loss lead the Lockes into a ferocious showdown with Dodge. Back at Keyhouse, Bode confronts a shocking visitor.

Zoey’s effort to recreate a cherished memory with Mitch is thwarted by Leif. Max and Mo have their big restaurant opening.

It’s Zoey’s 30th birthday, but before she can celebrate properly she must confront her unresolved feelings for the men in her life.

Zoey tries to “choose happiness” but finds it is easier said than done. David re-evaluates his priorities. Mo and Max face their first real challenge as business partners.

Zoey decides to explore her rebellious side with her neighbor from growing up, Aiden. Max’s dad comes to visit.