In love with all things cinema, Ko Gyeom attends an audition, where he meets Kim Mubee. As he slowly develops feelings for her, he tries to get closer.

Five years after vanishing, Gyeom reappears as a critic before Mubee, now a director. But his nonchalant attitude stirs complicated feelings in her.

Living in close proximity, Mubee and Gyeom become obsessed with each others' every move. Hong Si-jun and Son Ju-a struggle to reconcile their past.

After Mubee and Ju-a partner on a new movie, Ju-a seeks Si-jun's help for the film's music. Gyeom faces a dark consequence from one of his reviews.

Gyeom's confession preoccupies Mubee, even though she tries to ignore it. Meanwhile, Ju-a keeps visiting Si-jun, hoping he'll compose the film's music.

Mubee gives in to Gyeom's persistence — until he fails to show up one night. Si-jun and Ju-a become trapped together, leading to a frank exchange.

Ko Jun tries to hide a big secret, sparking Gyeom's suspicions. Ju-a and Si-jun reflect on the past — and where they went wrong.

As Gyeom pretends to be okay, his loved ones worry for his well-being. But soon, Mubee helps him find the courage to confront his feelings.

Si-jun and Ju-a wrestle with their emotions as they question their future. Meanwhile, Mubee's film encounters a hurdle, leaving her feeling at a loss.

Shedding their past, Mubee and Gyeom resolve to live their life to the fullest. Si-jun and Ju-a make a final decision about their relationship.