Thorn Flower, originally titled "가시꽃", is an impressive South Korean series released in 2013. The story revolves around the character Jeon Se-mi, who embarks on a quest for revenge after losing her innocence and experiencing trauma. Once a pure and well-meaning girl, Se-mi takes a dark turn after being betrayed by her boyfriend, losing her family, and experiencing sexual assault. This atmosphere not only provides viewers with a deep emotional experience but also skillfully weaves in the complex feelings brought about by revenge and loss. The characters and cast in the series are crucial elements that enhance the depth of the story. Jang Shin-young portrays the character Jeon Se-mi, and her powerful performance captures the audience's attention. The series compellingly addresses not only the traumas experienced by the characters but also the events that unfold around these traumas. Thorn Flower offers viewers an unforgettable experience as it explores the transformation of a strong female character and her desire for revenge. As for why Thorn Flower should be watched, the series stands out for its psychological depth and gripping storyline. Viewers may find themselves resonating with the themes of revenge and forgiveness presented in this work. Compared to other works that explore similar themes, Thorn Flower shines with its strong character development and impactful storytelling. Watching Thorn Flower provides viewers with unforgettable moments, and in response to the question of how many seasons Thorn Flower has, it is presented as a single-season production.