EXTRAORDINARY YOU tells the story about a female , Eun Dan oh who finds out she a character in a comic, secret Dan Oh is just an extra in the comic who engaged to classmate Baek Kyung and is set to die of a heart attack. Dan Oh is eager to change her so-called fate. In the fantasy world, she met another extra character called Student Number 13 Dan Oh named the nameless character Haru. The two eventually fall in love and try to defy their pre-destined fate.