Mu-hee becomes a global superstar overnight, but struggles to leave her character behind. A ruffled Ho-jin becomes the subject of an Instagram post.

Mu-hee and Hiro meet by chance at a red carpet event, unintentionally creating on-cam drama. Their spark inspires the casting of "Romantic Trip."

Unhappy with his new co-star, Hiro decides to give her a hard time while filming in Canada. Ho-jin becomes supportive of Mu-hee as he gets to know her.

Hiro enjoys time with Mu-hee, despite his determination to dislike her. Meanwhile, a surprise encounter with a new producer stops Ho-jin in his tracks.

Kim Yong-u and Ji-sun bond over a secret. Mu-hee blames a bold action on Do Ra-mi, before a night out with the crew leaves Ho-jin with mixed emotions.

Hiro goes soul searching in Seoul for clarity about his feelings. After a concert, Kim Young-hwan arranges a meetup with Mu-hee and a reluctant Ho-jin.

Mu-hee and Do Ra-mi's relationship shifts as awkward moments with family, friends and co-stars build — pushing someone to take drastic action.

Mu-hee and Hiro share their feelings while filming in Italy. As the crew gossips about Ho-jin's rumored lover, he learns a shocking truth from Do Ra-mi.

While adjusting to his new relationship, a lavish winery reunites Ho-jin with an important family member. Mu-hee finds the root cause of her problems.

Mu-hee and Ho-jin find themselves confronting their pasts after a scandal hits the media. A resurfaced Instagram post raises important questions.

While some secrets come out, some romances solidify. Will Mu-hee and Ho-jin get their happy ending — or are some emotions too hard to interpret?