Insane

"Insane" is a gripping thriller that follows the story of a woman named Kang Soo-Ah, who is kidnapped and taken to a psychiatric hospital where she is subjected to horrific abuse and torture. A year later, a journalist named Na Nam-Soo stumbles upon Soo-Ah's journal and sets out to uncover the truth behind the psychiatric hospital's dark secrets. As Nam-Soo delves deeper into the mystery, he discovers a web of lies and conspiracy that threatens to consume him. Will he be able to uncover the truth and bring justice to Soo-Ah, or will he become the next victim?

You can stream Insane on: Fawesome

Some movies that have similar genres and were produced around the same time as Insane include Gone Girl, Coherence, Get Out, Enemy, Odd Thomas, Burning.