Zheng Yu wanted to propose to Ha Na, but accidentally lost the ring under the sofa. At this time, he encountered a cockroach and was startled.The next day, Zhengyu told Bin Dayong about this embarrassing experience. Bin Dayong suggested that he should not rush to propose, so Zhengyu gave him a bracelet instead.After returning home, he mentioned the cockroach incident, and his brother told him that Ha Na had received a bracelet from her mother and did not want to receive similar gifts.Zhengyu quickly bought another piece of jewelry as a gift.The next day, his brother told everyone that Zhengyu had taken back the fine and became a rich man, which aroused Ha Na's anger.Zheng Yu brings a surprise to Ha Na, and they drink coffee together. Ha Na warns him to stay away from his brother.When they were discussing Zhengyu's research case, they were interrupted by their younger brother, and Ha Na left with his younger brother.

Ha Na learns that the charity surgery will be made public, and she objects to using Jung Woo.At dinner, Ha Na and Hong Lan got drunk.Zhengyu foresees that the situation is not good and asks Bin Daeyong for help.They took care of the drunk woman, but the situation got out of hand and they had to leave in a hurry.Hong Lan was frightened when she confessed her feelings while drunk.Jung-woo takes Ha-neul home and tells her mother that they will stay overnight.The next day, a school friend apologized to Zhengyu and told him that Ha Na called him last night and asked him to apologize to Zhengyu on her behalf.The hospital told Zheng Yu that the operation would not be made public, and Ha Na's opinion was taken seriously.Jung-woo feels happy and recalls what Ha-neul said to him when he was drunk.He thinks about Ha Na making him happy, even in the difficult moments they spent together.Now, he's preparing to perform the little girl's surgery that will change their lives again.

After the successful operation, Jung Woo and Ha Na regained their confidence and found their own direction.Later, Jung-woo reconciles with his estranged friends and introduces Ha-neul as his girlfriend, surprising them but quickly clearing up their confusion.They began to reminisce about school, talking about Ha Na's popularity in school and Zheng Yu's prejudice against her.After the reunion, Ha Neul apologized to Jung Woo, and he thanked her for her efforts and shared some things about Ha Neul's popularity.Ha Neul admitted to dating a guy for five hours because he gave her a jacket in the cold weather.Jung-woo is shocked by this and tells her he can do better.Bin Dayong accidentally sent a confession message to his daughter. After returning home, he admitted that he liked the person who gave him advice and rushed to see Hong Lan, but accidentally kissed her when he tripped.Hong Lan accepted his confession and proposal.

Ha Na asks Jung Woo if he wants to move, but he refuses because her family has become his family.Ha Na misunderstands his meaning and asks him to join her family.Jung-woo cuts his finger and Ha-neul bandages it, then discovers the jewelry he bought for her.After they laugh together, Ha Na helps him bandage his wound.Jung-woo mentions proposing, but Ha-neul denies it.He took out all his jewelry, put it on her and asked her to be everything to him.Just then, Mom calls Ha Neul, but Jung Woo stops her from answering the phone and tells her to tell Mom that she is working the night shift.Their relationship takes a step forward.