Where to Watch Knock

Looking to watch 'Knock' on your TV, phone, or tablet? Discovering a streaming service to buy, rent, download, or view the Lee Joo-heon-directed movie via subscription can be tricky, so we here at Moviefone want to do the work for you.

Below, you'll find a number of top-tier streaming and cable services - including rental, purchase, and subscription alternatives - along with the availability of 'Knock' on each platform when they are available. Now, before we get into the fundamentals of how you can watch 'Knock' right now, here are some finer points about the Nomad Films horror flick.

Released , 'Knock' stars Seo Woo, Hyun Sung, Baek Seo-bin, Ju Min-ha The movie has a runtime of about 1 hr 40 min, and received a user score of 37 (out of 100) on TMDb, which collated reviews from 3 top users.

Curious to know what the movie's about? Here's the plot: "Art student Jeong-hwa (Seo Woo) is moving to a smaller apartment by her school when she trips and falls, breaking a small statue on a box. She bends over to pick up the pieces and notices an amulet the shape of a queer mask and decides to use it for her exhibit assignment. After she moves she hears a weird knocking sound next door. She can’t sleep because of the knocking sound every midnight and starts sketching the amulet. One night, Jeong-hwa comes home late and runs into a strange woman with long tangly hair and barefoot in front of the elevator. She gets off without a word and starts knocking next door. Jeong-hwa is terrified, what is going to happen to her?" .