After seeking advice from a medium, she begins building an enormous, seemingly never-ending mansion in San Jose, California that would eventually be named the Winchester Mystery House.

Realizing how violent this spirit is, Sarah sends her staff away and decides to personally remove the ghost from her home.

He and Sarah identify the ghost as Benjamin Block, a Confederate States Army soldier who lost his two brothers in the American Civil War, killed by Winchester rifles.

A devastated Ben proceeded to shoot up a Winchester office, massacring the workers before being shot dead by police.

[5] Rights to the story were acquired by the Hammer Films division of Exclusive Media in 2012, with Imagination Design Works and Nine/8 Entertainment producing.

[10] Sarah Snook and Angus Sampson joined the cast in March 2017, and filming commenced in Australia.

[2] In the United States and Canada, Winchester was released on February 2, 2018, and was expected to gross $6–8 million from 2,480 theaters in its opening weekend.

[13] It ended up debuting to $9.3 million, finishing third at the box office, behind holdovers Jumanji: Welcome to the Jungle and Maze Runner: The Death Cure.

The website's critical consensus reads, "Like a grand staircase within the famous mansion that inspired it, Winchester appears poised to get a rise out of audiences, but ultimately leads nowhere.

"[15] At Metacritic, the film received a weighted average score of 28 out of 100, based on 18 critics, indicating "generally unfavorable reviews".

[14] Variety's Owen Gleiberman gave the film a negative review, writing, "Mirren does all she can to look like she’s having fun, but Winchester...[is] an empty grab bag of a spook show in which the Spierig brothers never do figure out a way to turn the Winchester Mystery House into an exhilarating movie set.

"[17] Stephen Dalton of The Hollywood Reporter gave the film a mixed review, saying that "Winchester is a visual treat, its palette aglow with bronze and turquoise tints that suggest colorized Victorian postcards," but it "promises more sophisticated shocks and psychological depths than it ultimately delivers.

"[18] Simon Abrams of RogerEbert.com gave the film three out of four stars, stating, "Winchester leveled my unfair expectations simply by being both silly and fun... what [it] lacks in originality its creators amply make up for in execution."