Eun Bong Hee seeks revenge on her cheating boyfriend, but her knight in shining armor turns out to be Noh Ji Wook, a prosecutor she earlier accused of being a pervert

Bong Hee secures herself a legal internship, unaware that her instructor will be Ji Wook, who remembers her antics well

The tables are turned when Bong Hee suddenly finds herself accused of murder. The situation only worsens when Ji Wook is made the case's prosecutor, his future dependent on her confession

Ji Wook finds a bloody knife at the scene of the crime that could greatly affect the case. Bong Hee's murder trial begins

Bong Hee tries to find Hee Joon's real murderer, but her only hint is a melody. Ji Wook has trouble adjusting to no longer being a prosecutor

Bong Hee and Ji Wook take on opposing clients, but they realize they must work together when things go awry