Article continues below advertisementIn The Beast in Me, Matthew Rhys stars as Nile Jarvis, a man haunted by the sudden disappearance of his first wife, Madison. The gripping miniseries dives deep into the dark alleys of his past, leaving viewers questioning the truth behind her mysterious fate.As Nile's new neighbor, Aggie Wiggs (Claire Danes), grows suspicious of him, the plot thickens. By Episode 7, the show delivers devastating news: Madison was murdered.Article continues below advertisementSource: NetflixMadison is Nile's first wife who mysteriously disappears.