My Neighbour Can't Sleep Episode 19

Xi Song ends up meeting a person of the past that knew his ex-girlfriend. Though she is doing alright now he is advised on what went wrong in his past relationship, and takes this advice to learn from it with Mi Do. Mi Do's mother gets ready to have Xi Song come visit and gets all dolled up for her idol. However, he is currently away and has to deal with Aunt Gu, who now that they know each other's significance they 'try' to be polite to each other. Though Mi Do never admits it, her mother suspects her of dating Xi Song, so she grabs her husband and starts snooping on Mi Do and her friends. To her joy, she finds out that Mi Do is dating her idol. Unfortunately Yi You is devastated about this relationship being true, especially with her strength and conviction of her feelings for Xi Song. Realizing his feeling will not be reciprocated, decides to say goodbye to his feelings and support her. Meanwhile, Su Li who is touring with Xi Song devises a plan to break up Mi Do and Xi Song.