A wealthy family arrives at the Oasis Infinity resort, where flirtations and feuds emerge - and a carefree beach bonfire leads to a sinister attack.

As Dani and Celia search for clues to jog Helena's murky memory, Maca and Sofía's rivalry over Pablo comes to a head on a champagne-fueled boat outing.

With the resort under lock and key, Dani and Helena hatch a plot to find their friend, and the young guests pour their restlessness into a secret party.

The police zero in on their latest lead, but Maca sows a seed of doubt to redirect their attention. Laura's abuela presents -liver with a tempting offer.

Tensions and temperatures rise at Oasis Infinity as Leo fills Felipe in on her big news, and Helena races against the clock while Dani gasps for help.

While the police pressure Jaén for answers, Helena secretly goes hunting for the rest of her missing puzzle - with someone stealthily on her tail.

Alicia reveals Jaén's best-kept secret, sparking a fresh search for clues. Laura snoops for her abuela's safe code as Leo finally comes clean to Maca.

With the truth just out of reach and their suspicions pointing to a larger scandal, Helena and Dani risk everything to find Celia - no matter the cost.