Do-yeon is 26, silent, and impossible to read. Every movement, every glance, is measured—because her life has taught her that trust can be deadly. Her father’s violence and the murder of her younger brother left scars that no one can see, but that guide every choice she makes. She survives by watching, calculating, and keeping the world at a distance.Ji-hoon, 21, is a psychology student who believes every mind can be understood. When he meets Do-yeon, he is captivated by her calm, unreadable exterior and becomes obsessed with uncovering the truth behind her silence. But some people cannot be studied. Some scars cannot be healed.As danger lurks in places he cannot see, Do-yeon must navigate her past and protect Ji-hoon—without revealing the darkness that defines her.Scar Theory is a gripping psychological thriller about trauma, obsession, and survival. It explores the fine line between logic and instinct, observation and obsession, and reminds us that some people aren’t meant to be understood… only survived.

A boy burdened by trauma and overwhelming stress seeks refuge in a silent library, hoping to escape his own thoughts. But in a single, unexplainable moment, reality fractures. When he opens his eyes again, he is no longer in the library. He has been pulled into a fantasy world—beautiful, dangerous, and painfully alive. There, he meets a woman who feels strangely familiar, as if she knows the wounds he has never spoken aloud. As they journey together, the line between illusion and truth begins to blur. But every fantasy has a price. Will the boy find a way back to reality? And if he does… will he still be the same person who entered the library? Some illusions heal. Others shatter you forever.