Episode 6 of "Hotel Costiera" kicks off with Daniel rejoining the team outside. Tancredi, who's been grazed by a bullet, is putting on a wildly dramatic show about his minor injury. Daniel quickly fills everyone in—including Adele and Augusto—about Laurent's ominous threat and the looming heist. Adele is consumed by guilt, feeling like a pawn used to keep Alice in check.
Meanwhile, Laurent's son is fretting that Daniel might double-cross them and urges his father to abort the heist. Laurent, unyielding, moves his crew to a boat moored near the hotel. Amidst all the chaos, Alice seizes the moment to pilfer a fork.
How does Daniel intend to snag the necklace? Augusto, loath to steal but desperate to save his daughter, proposes a bold new strategy: they'll outbid everyone at the auction. Augusto even puts the hotel on the line to secure the necessary credit. However, they only have 15 million euros in their arsenal. He then coaches the team on how to size up the competition and thwart any attempt to drive up the bids.
Adele, filled with trepidation, hands over the keys and hints at a backup plan—stealing the necklace if the auction falls through. Genny can't help but chuckle at Daniel, knowing full well he's plotting to rig the bidding process.
Laurent, his son, Sabine, and Le Bris arrive as guests, keeping a close eye on Daniel. Laurent finds it amusingly ironic that he's about to own the necklace through legal means. Augusto, on the other hand, is distraught that his daughter's fate hinges on an auction.
The bidding starts at a hefty 2.6 million euros and progresses at a snail's pace. Once the bid surpasses 15 million, panic sets in. It's a nail-biter, but Daniel manages to sway Sheryl, who clinches the necklace for a staggering 25 million euros. She had mistakenly thought Daniel was asking her out and harbored jealousy towards Genny, but she takes the outcome in stride.
Why does Laurent renege on his word? Unaware of Sheryl's involvement, Laurent assumes Daniel has failed to secure the necklace. He gives Daniel one last chance, threatening to kill Alice within three hours if the necklace isn't handed over. Sabine, not a murderer at heart, bows out.
Bruno attempts to steal the necklace, but Bigne thwarts his efforts. Daniel reaches the boat just in time and tries to negotiate the exchange. However, Laurent, having lost faith in Daniel, refuses to release Alice until he has the necklace and is safely away. In a bold move, Daniel simply hurls the necklace into the sea.
How does the story ultimately unfold for each character? Laurent, with an iron grip on his son's will, compels him to plunge into the sea and retrieve the coveted necklace. Amidst the ensuing chaos, Alice, driven by desperation and courage, lunges at Le Bris, embedding a fork into his flesh, while Daniel engages him in a fierce struggle. Seizing the moment when Laurent's attention is diverted, Alice and Daniel make a break for it, fleeing the scene.
Laurent's son manages to resurface with the necklace, only to discover, to their collective dismay, that it is a mere counterfeit. In a twist of fate, it is revealed that Genny had been lurking beneath the water's surface, adeptly swapping the genuine article with a fake the moment Daniel had cast it into the sea's depths. Now in possession of the real necklace, Genny swiftly joins Alice and Daniel on their makeshift raft.
Together, they embark on a journey back to shore, where they triumphantly return the necklace to its rightful owner, Sheryl. The atmosphere is electric with joy as everyone celebrates Alice's safe return. However, the celebration is short-lived as the police arrive on the scene. In a cowardly act of betrayal, Laurent abandons his own son to face the consequences alone, shouldering the blame himself.
As the final credits roll on Hotel Costiera Episode 6, Laurent is seen making his way to confront Daniel's father, a mysterious and ominous air surrounding his intentions as he declares his desire to have a word.
