San Jose, California, 1906. Isolated in her labyrinthine mansion, eccentric firearm heiress Sarah Winchester believes that she is being haunted by the souls of those killed by the guns manufactured by her company.
Follows Jean Blake as she takes on the mantle of her husband, police surgeon Lucien Blake, as a solver of mysteries following his disappearance 18 months after their marriage.
An obsessive audio surveillance expert accepts a deadly mission to infiltrate and record a meeting at the infamous Cobra Club. When he crosses paths with a mysterious assassin, he must question the nature of his mission and confront the impending danger that awaits.
