Successful architect Alexandra is overcome with joy after she and her partner secure a contract for a skyscraper in Valencia; however, a phone call from the police in the middle of the night leaves her whole world in tatters.
Though she is truly needed on the skyscraper contract, which is her "baby" she fought for for so long, Alex heads back to the Albufera, to this strangely and wildly attractive other woman, introducing herself again as an ornithologist.
Alejandra ha descubierto que su marido tenía una vida paralela con otra mujer, Verónica, en La Albufera. Ocho años de relación simultánea sin que jamás haya sospechado nada y se obsesiona con la idea...
ON THE WAY: By spending more and more time in the Albufera with Veronica and Sol, Alex delves deeper and deeper into Oscar's former life. Veronica confides to Alex about her pregnancy.
THE LETTER: Coming home one day, Alex notices that Veronica's house has been broken into. Inspector Conrado and Veronica notice, however, that no valuables have been taken.
WITH NEW POWER: Alex heads back to Valencia and locks herself in her apartment. She begins deconstructing her past architectural concept for the skyscraper and starts working on an all new design of the building.
THE KEY: After a confusing night. "Martina" finally tells Veronica her true identity. Conrado shows signs of rage, while Alejandra discovers that Blanca has taken a thinly veiled creative interpretation of recent events.
A SHARED LIFE: Conrado manages to unravel Oscar's last hours: what he was trying to escape from; who was the mysterious man of Taracuellos; Who was the last person who saw him alive?