When a swimmer collapses at a high-performance sports center, Amaia investigates the extreme risks her fellow athletes are taking to feed their ambition.

High-profile architect Alexandra faces her worst nightmare when she gets a call from local cop Conrado to identify her husband Oscar's body, found on a pier in the beautiful Albufera landscape outside Valencia. Suicide? How can it be when they had made plans for their future just hours ago? But it only gets worse: Oscar had been leading a double-life with another woman, Veronica. Who is this woman? Who was the man she loved for 15 years? And what happened that fatal night on the pier?