"The Second Voice" revolves around a central mystery: a man named Morgan, who is experiencing a mental breakdown, becomes convinced that he is being haunted by a second voice inside his head. As Morgan struggles to distinguish reality from delusion, he grapples with questions of identity, sanity, and the nature of his own existence.As the narrative unfolds, the reader (or audience, in the case of the play) is drawn into Morgan's increasingly paranoid and hallucinatory world, where the line between truth and illusion becomes increasingly blurred. Through a series of tense and suspenseful encounters, Morgan's inner turmoil is laid bare, revealing the dark secrets that lurk within his troubled mind.