Nine years ago, Lee Antoni found his wife Amanda dead in their Castleridge home. Initially considered suspicious, police later attributed her death to a fall down the stairs. Lee remains unconvinced, having witnessed evidence suggesting otherwise. With no suspects identified, Amanda's family seeks closure through Netflix’s Unsolved Mysteries, airing her case in hopes of generating new leads. The episode, part of volume 4, airs on July 31, aiming to shed light on this unresolved Calgary tragedy.