It seems you're looking for a guide or summary of the chapter from the TV series "Serie Infieles" (an anthology series about infidelity, known in some regions as Infieles or Secretos de Infidelidad ).
A: Not horror, but it is suspenseful. It falls into the "Domestic Thriller" category. It can be tense and sometimes has a dark ending. Serie Infieles Capitulo La Herencia
Each episode features a standalone story with a different cast, though some popular actors like Francisca Merino appeared in multiple episodes or segments. It seems you're looking for a guide or