This week on the E! original scripted series, “The Royals,” Queen Helena (Elizabeth Hurley) comes face-to-face with a ghost from the past. Meanwhile, Princess Eleanor (Alexandra Park) finally learns the truth about her girlfriend Mandy. Elsewhere, King Cyrus (Jake Maskall) may be making plans that could sidetrack the Queen’s ambitions.

The succession bill has finally passed but Queen Helena is depressed about the death of her lover, Alistair Lacey. She goes incognito and visits Alistair’s apartment to pay her respects. To her utmost surprise, she finds him alive. He is furious at her and wants to know if the twins are his. He tells her that he managed to thwart the assassination attempt, but he still doesn’t want to have anything to do with her.

He thinks she’s still thinking of her plan to get on the throne, with no second thoughts about the people she’s hurting along the way. Alistair says they have no future together but he forces her to check if the twins are his children.

Speaking of the twins, Liam (William Moseley) and Eleanor prepare for their birthday party. Eleanor considers cancelling since she doesn’t even enjoy the parties that her mom throws for them. When she and her girlfriend Mandy, find out that the Queen decided to skip the party, Mandy comes up with a better plan.

She surprises Eleanor with a fun party, just like one that King Simon once threw for her and Liam when they were kids. Eleanor is deeply touched, but she doesn’t know that Mandy is only doing everything to get her drunk and distracted. She convinces Eleanor to wear the famed Koh-i-Noor diamond during the party, so that she could steal it.

Jasper (Tom Austen) warns Eleanor about Mandy and as expected, she doesn’t want to listen to him. Jasper then tries to dissuade Mandy from the heist, but she’s got her mind set on the diamond. When Mandy finally gets her hands on the diamond, Jasper gets desperate. He tells Eleanor to follow him, and Eleanor sees Mandy in the act of trying to escape. Jasper comes clean and tells the Princess everything about the deception.

Eleanor is devastated and even gives Mandy her diamond earrings out of complete disgust and depression. Jasper returns the Koh-i-Noor and tries to convince Mandy to return the earrings and apologize to Eleanor. However, Mandy, or her real identity, Samantha, isn’t so keen on being nice. Jasper returns alone and finds Eleanor sitting alone among the drenched ruins of her party. She decided to send everyone home by starting a fire and setting off the sprinklers.

While Eleanor’s party was a complete bust, Prince Liam has a more exciting time. He hangs out with his friend Wilhelmena, and they come close to ending up in his bed, if not for Eleanor’s antics with the sprinklers. Amid the chaos of the evacuation, he spots the girl that gave him the domino necklace. He tries to question her, but she refuses to speak, claiming that they’re being watched.

Elsewhere, King Cyrus has elevated his maid Violet into becoming his girlfriend. He even decides to take her out in public. They go to the opera, and are greeted by sneers from the upper class. However, the common people appear to like her, and Cyrus feels inspired. At the end of the episode, he snaps up a large diamond ring from the royal collection and hints at making plans to propose. If he marries and bears a new heir before he succumbs to cancer, Queen Helena’s plans to take the throne could permanently become derailed.