After giving birth, a new mother must protect her baby for 21 days from evil spirits who want to claim its soul, as told by ancient Korean tradition.
The Silence of the Lambs
American Psycho
I Am Legend
A Quiet Place
Midsommar
Interview with the Vampire
Sweeney Todd: The Demon Barber of Fleet Street
Rosemary's Baby
10 Cloverfield Lane
Frankenstein