Electra: A Drama in Five Acts by Benito Pérez Galdos is a modern and tragic adaptation of the classic Greek myth about Electra, the daughter of the murdered king Agamemnon. In this drama, the author embodies the ancient theme of betrayal, revenge and internal struggle. The main character, Elektra, is forced to face her own radical thirst for revenge, inflicted by loved ones, as well as a real psychological curse. This book captivates the reader from the first lines and leaves a deep mark in his thoughts, because the moral issues raised in this drama remain relevant even today.