The little Alice disappears the day of his First Holy Communion (catholic ceremony). Victor and Laura agents arrive to town to infiltrate the neighbors and try to unmask the culprit, but it looks like it is one of the guests attending to the celebration. The issue is difficult because they have ahead several family secrets to discover. The commissioner Casas takes charge of the investigation officially. Laura will be the substitute teacher in the class of Alicia and Andrew accept a job as a waiter in the restaurant's grandfather Alicia.

An unexpected finding, discovering that something plugged one of the vats of wine restaurant, completely changes the direction of research and draws a clear suspect. Alicia's First Holy Communion dress appears in the cellar restaurant, in a red wine bath. Andrés Vega shows no signs of life in the last two days and his car is listed in the swamp but not his body. Laura finds the girl one morning during his morning run and takes her to hospital where the whole family ends up going. Meanwhile, Andrés takes advantage that has been left alone in the restaurant to check the dependencies.