Phantom

Phantom (2019) is a mystery with 1 season, rated 10.0/10.

An unknown man wakes up in a psychiatric hospital. He doesn't remember anything. No one knows how they got here. It is only known that his name is Ivan, he has been in the hospital for a year, and all this time he was under the influence of strong antidepressants. Only the director of the clinic knows the true state of affairs, but on the same day he mysteriously dies.