Candela y el misterio de la puerta entreabierta

On her way home from school, Candela passes the house with the creeper. Afraid, she's always kept her distance from it, and speeds up her pace, but today a disturbing detail attracts her attention: the glass door of the balcony on the first floor is half-open. And if that isn't enough, she also thinks she hears a sigh. Is there someone in the house? An intriguing story full of enigmas.