She is a genius girl and a royal princess. With great power comes great responsibility. Having lived in a foreign country away from her parents since childhood, she possesses many talents but has gradually sealed off her heart. Suddenly, she is sent back to her homeland, where her father forces her to attend the royal academy with the goal of finding a boyfriend. Cold and aloof, she decides to disguise herself as a boy and just get through her days quietly. However, she unexpectedly meets a group of interesting friends, and her heart slowly begins to open up. When she finally encounters true love, she cannot escape a tragic fate. Yet, all of this is part of a conspiracy manipulated by someone behind the scenes.