Sol Ah has feelings for Jae Seon, but one day, Jae Seon disappeared without saying anything. It turns out Jae Seon has been dating a new rich girlfriend whom he recently broke up with, leaving him with the cat he gave her as a gift. Because of Jae Seon’s cat allergy, Sol Ah somehow ends up taking the cat home.

Things would’ve been detrimental if Hong Jo hadn’t been there when Sol Ah’s dad, Soo Pyung, fainted in his apartment. Sol Ah, at the hospital, finds out about Soo Pyung’s illness and also meets his fiancée for the first time. Now that Sol Ah has to move into a new house to live alone, she feels somewhat reassured that Hong Jo is by her side although she still hates cats.

Sol Ah moves to a new place on her own. It’ll be her first time living alone and she’s feeling mixed emotions about it. With high hopes, she arrives at her new house and is surprised. She’ll be neighbors with Jae Seon, her first love and crush.

Sol Ah starts drawing webtoons again at her new place. Hong Jo continues to orbit around Sol Ah living a double life. One day, Hong Jo accidentally saves Sol Ah and becomes her life-saver. Things seem to be settling down, but there's something fishy about the new house. Is there someone else living with Sol Ah and Hong Jo?

Sol Ah gets a call from Sil and thinks Hong Jo is Guk Bong. Doo Sik and Jae Seon come to Sol Ah’s home to give a warning to Hong Jo, but they can’t find Hong Jo anywhere. Sol Ah asks Jae Seon why he ran away, but he only says sorry to her. Meanwhile, Sol Ah uploads “Helpless Beodul Love” Episode 1.