Genres: Crime, Mystery, Thriller

Keywords: tmdb.brother-brother-relationship, tmdb.revenge, tmdb.hypnosis, tmdb.murder, mdblist.has-trailer, mdblist.netflix-original, imdb.new-house + 155 more, imdb.plot-twist, imdb.family-relationships, imdb.brother-brother-relationship, imdb.sharing-a-room, imdb.husband-wife-relationship, imdb.forbidden-room, imdb.limp, imdb.limping, imdb.sleeping-at-a-desk, imdb.mechanical-pencil, imdb.following-someone, imdb.revenge, imdb.hypodermic-needle, imdb.jumping-out-a-window, imdb.suicide, imdb.double-murder, imdb.home-invasion, imdb.hypnosis, imdb.memory-loss, imdb.written-by-director, imdb.korea, imdb.south-korean, imdb.south-korea, imdb.korean, imdb.mother-son-relationship, imdb.father-son-relationship, imdb.kidnapping, imdb.rain, imdb.van, imdb.license-plate-number, imdb.walkman, imdb.studying, imdb.moving-in, imdb.police, imdb.tape-recorder, imdb.phone-tap, imdb.tapped-phone, imdb.police-detective, imdb.umbrella, imdb.amnesia, imdb.passing-out, imdb.bedroom, imdb.locked-room, imdb.locked-door, imdb.student, imdb.pen, imdb.taxi, imdb.foot-chase, imdb.doctor, imdb.hospital, imdb.hospital-bed, imdb.hospital-room, imdb.injection, imdb.life-support, imdb.accidental-killing, imdb.scream, imdb.accidental-murder, imdb.hired-killer, imdb.money-problems, imdb.car-accident, imdb.death-of-parents, imdb.murder-of-a-family, imdb.intruder, imdb.life-insurance, imdb.life-insurance-policy, imdb.husband-plans-to-murder-wife, imdb.murder-plot, imdb.plot-to-murder-wife, imdb.impersonation, imdb.younger-version-of-character, imdb.little-boy, imdb.counting, imdb.knife, imdb.stabbed-to-death, imdb.stabbed-in-the-stomach, imdb.stereo, imdb.car-crash, imdb.jumping-out-of-a-moving-car, imdb.suicide-by-lethal-injection, imdb.suicide-by-jumping, imdb.suicide-by-jumping-out-a-window, imdb.nurse, imdb.falling-to-death, imdb.falling-from-height, imdb.rooftop, imdb.coma, imdb.flash-forward, imdb.flashback, imdb.market, imdb.chloroform, imdb.hypnotist, imdb.police-station, imdb.calendar, imdb.looking-at-oneself-in-a-mirror, imdb.witness-to-a-murder, imdb.staged-murder-scene, imdb.posing-as-a-policeman, imdb.arrest, imdb.tied-to-a-chair, imdb.torture, imdb.head-held-underwater, imdb.plastic-bag-over-head, imdb.suffocated-with-plastic-bag, imdb.chance-meeting, imdb.lollipop, imdb.sucking-on-a-lollipop, imdb.family-home, imdb.axe, imdb.impersonator, imdb.chase, imdb.hit-by-a-van, imdb.telephone-call, imdb.anonymous-telephone-call, imdb.drainpipe, imdb.spare-key, imdb.christmas, imdb.stabbing, imdb.murdered-with-a-knife, imdb.stabbed-with-a-knife, imdb.posing-as-husband-and-wife, imdb.stereo-system, imdb.piano, imdb.blood-stain, imdb.hiding-under-a-bedsheet, imdb.internet-chat, imdb.deception, imdb.delusional-man, imdb.delusion, imdb.delusional, imdb.repeated-scene, imdb.repeated-scene-from-a-different-perspective, imdb.falling-off-a-roof, imdb.attempted-murder, imdb.scaffold, imdb.repressed-memory, imdb.elaborate-deception, imdb.memory, imdb.gaslight, imdb.chatroom, imdb.compact-disc, imdb.compact-disc-player, imdb.regaining-one-s-memory, imdb.fear, imdb.cell-phone, imdb.man-wears-eyeglasses, imdb.sharing-a-bedroom, imdb.scene-of-the-crime, imdb.kdrama, imdb.korean-drama, imdb.surprise-ending, imdb.one-word-title, soundmix.dolby-digital, aspectratio.1-85-1, imdb.whodunnit-mystery, imdb.suspense-mystery

Watch Providers: Netflix, Netflix basic with Ads

Production companies: Michigan Venture Capital, Kiwi Media Group, Baram Pictures, BA Entertainment, Union Investment Partners + 2 more, M-Line Distribution, Plus M Entertainment

Country: South Korea
Languages: Korean