Dr. Elena Cruz is a renowned psychiatrist specializing in treating patients with dissociative identity disorder. When a new patient, a man named Gabriel, is referred to her, he claims to hear whispers of a woman calling his name. Gabriel insists the voice belongs to Elena herself, even though they've never met before. Intrigued and unsettled, Elena begins to notice strange coincidences between Gabriel's memories and her own past-a past she thought she had fully understood.

As Elena works to uncover the source of Gabriel's delusions, she discovers gaps in her own memory. It soon becomes apparent that their lives are intertwined in ways neither of them can explain. Is Gabriel manipulating her, or is he the key to unraveling a truth Elena has been avoiding her entire life?