It’s basically a story about how Amber became a tomboy. When Amber found out that her boyfriend is cheating on her with a hot girl, she decides to disguise herself as a handsome guy to make the hot girl, Krystal Jung Soo Jung fall for her. If she succeeds she will embarrass her ex-boyfriend and also break Krystal’s heart. What happens if she finds herself falling for the one whose heart she is supposed to break?