One Fine Day

Geon works at a port in Sydney, Australia. He\u2019s also an expert in fake marriage and notorious for his fighting skills. He lives with Kyung Taek and his daughter, Hyo Ju. Geon does anything that makes money so Hyo Ju can get heart surgery. Ha Neul works at an aquarium, and Dong Ha becomes the new team manager of the aquarium.

Sung Chan tells Geon that he found Geon\u2019s sister who got separated when they were young. Geon tells Kyung Taek to take Hyo Ju to the hospital, and he heads to Korea. Ha Neul asks Dong Ha to let her work at the aquarium, and Dong Ha thinks she\u2019s an interesting girl. Geon goes to Ha Neul\u2019s piano recital, but Ha Neul leaves the hall as she got nervous.

Ha Neul decides that she has had enough with her family. In the midst of her existential crisis, the men around her try to make sense of it as well. Geon tries to do his best without revealing his identity. Dong Ha is confused as to what Ha Neul's real intentions are. The entirety of Geon's plan is about to fall apart.

Ha Neul escaped her family, and is beginning to put her life back together. She clears up misconceptions with her boss, and her real family welcomes her with open arms. However, it seems there are still secrets in the air. Hyo Ju seems increasingly discomforted, and Geon's true reputation and career is not known to Ha Neul yet.

Geon takes Ha Neul to the house he prepared for her. Ha Neul is touched by Geon who remembered the promises from their childhood. Hyo Ju decides to stay at the house too as she\u2019s jealous of Ha Neul. Jin Kwon visits Sung Chan to pay him, and Kyung Taek recognizes Jin Kwon. Meanwhile, Ha Neul goes to Dong Ha\u2019s place to run an errand and finds sleeping pills next to him.

Geon, Hyo Ju, and Sung Chan seem visibly agitated about the truth of the relationship between Geon and Ha Neul. Ha Neul notices they are hiding something from her, but she has no idea what it might be. Will she able to find out and talk about it openly with her brother?