Hong Suk-hyun

While riding the subway, Yuna gets a text from a blackmailer saying she has until noon to arrive at her destination, otherwise he will release a malicious video online for the whole world to see. She carries an umbrella in the sunlight, because she has a condition in which her body starts to burn when exposed to light. Time is running out and she’ll do whatever it takes to face the man who wants to ruin her life