Where to Watch Knock Online

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

Read on for a listing of streaming and cable services - including rental, purchase, and subscription options - along with the availability of 'Knock' on each platform when they are available. Now, before we get into the various whats and wheres of how you can watch 'Knock' right now, here are some specifics 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 put together reviews from 3 respected users.

Interested in knowing 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?"

'Knock' is currently available to rent, purchase, or stream via subscription on The Roku Channel .