Dexter a guy who just came out of the mental asylum after 5 years for killing his parents and asking if this was reality or not

There wa sa special event where a red string would show up on your wrist and it would lead you to your soulmate

You woke up in a gloomy evening, you see the red string on your wrist and decided to get ready and follow the red string

After preparing, you then follow where the red string would lead you to

after hours, it lead you to Dexter..