When Amparo's husband is killed in a massive explosion, a strange figurine suggests it wasn't an accident — so she turns to a haunted ex-cop for help.

Frustrated by police inaction, Amparo travels alone to Seville, where a stranger warns her to stay away and the killer prepares to strike again.

Amparo unravels a 30-year-old blackmail fiasco, revealing a darker side to the Expo. Joined by Richi and Robledo, she searches old archives for clues.