Axe investigates who was behind the breakdown in his Sandicot dealings but faces formidable opposition. Chuck digs up dirt on a political rival. Lara makes a PR trip to Sandicot to ease tensions between the town and the Axelrods. Wendy helps Taylor solve a problem at Axe Capital. Chuck and Senior curry favor with a powerful ally.

After an important meeting, Hannah reaches out to friends for advice, but has trouble reaching Marnie.

Season Finale. Pieces fall into place.

Elizabeth enlists the help of Hollywood star Ashley Whittaker to help sway the president of Kyrgyzstan to end human trafficking in his country, but the added attention could put an American captive at risk. Also, when Henry finds the bomb that’s being held by the doomsday cult, he uncovers information that they could be planning a deadlier attack.

The NCIS team investigates a defense contractor, Rebecca Larmont, designing a nuclear attack weapon after her estranged husband, Victor Larmont, says he has proof she is selling Navy secrets to a foreign government. Also, Kensi goes undercover as a professional dancer at the Cuban club where the husband works, while Deeks is undercover as the bathroom attendant.

Gold and Belle convince Emma to help Gideon, explaining that together they can stop the Black Fairy. Henry experiences a disorienting shift in his powers that forces Regina to seek counsel from the previous Author. Meanwhile, in Fairy Tale Land, Hook attempts to win the assistance of an old adversary by betting his most prized possession on a game of cards. And, in a flashback, the Black Fairy tortures young Gideon in hopes of molding him into the perfect apprentice.

Alex tracks down the father of a patient who needs a liver transplant; the new CEO of Hope Zion is at odds with Dawn; Zach faces trials in the E.R.

Megan preps for the opening night of her play; Kyle must deal with the reemergence of a controversial person from his past; Terence realizes he needs Kyle's help to save the Institute from a possible scandal; DeAnn discovers a much needed escape.