When Sang Tai saw Rong Bi and Sanda together, all the memories and anger rushed into his heart, making Sanda rush home in fright.Gao MeiZi sees all this and tries to comfort her daughter, while Yong Bi asks his father if he still resents her, to which Sang Tae replies yes.Meanwhile, Hae-da is thinking about her daughter calling her aunt yesterday and shares her worries with Jin-dal, who tells her that Ha-yul might not like what happened.The next day, Gao Meizi was worried about Sang Tai's situation on the way to work, and met Rong Bi on the way.He sees her worried expression and asks her if she's angry, she denies it, and the two go to her work.Rong Bi helps Gao MeiZi put on the buoy harness, and Shang Dao is annoyed by the gossip of the other divers, who keep talking about Sanda and Rong Bi.

Soon, the ladies started diving and Rong Bi went back to work, but a wave caused Gao Meizi to sink, and she struggled to get back to the surface because of chest pains.This caught the attention of others and Sanda arrived there while walking with Shang Dao.She was surprised and worried about what happened to her mother and asked her to go to the hospital and stop diving.Later, her mother secretly left some of her harvest in front of Rong Bi's house, but Shang Tai threw it away.Elsewhere, Dae-young tries to meet up with Jin-dal again, eventually meeting her when she's walking with Hae-da and Ha-yul.However, seeing Gong Ji-chan there, Ha-yul calls Jin-dal his mother, which shocks the two.Afterwards, she tells him that Ha-yul is her niece and it’s best to leave before her father catches her.Dae-young tells her that he's happy to see her, but she reminds him that he needs to deal with the trouble she caused.

Just then, her father appears and she urges him to leave, while elsewhere, Sanda gets a diary containing information about a man suffering from a heart condition.She suspected her mother was ill, and when her father didn't give her an answer, she asked Rong Bi.Rong Bi didn't reveal any information, and Sanda's friends noticed them walking together and asked what they were doing together.

Eunwoo's eyes fell on the pamphlet in Sanda's pocket.They found out about the event and urged her to participate, while Qingtai pulled out photos she had taken on the island.This shocked Sanda and she considered whether to participate in the event.Rong Bi told her that he would wait for her to sign up the next morning, and Sanda also showed up.The two went to Rong Bi's office, and he asked her to complete the registration and go to work.However, the changing winds and divers in the sea surprised him, and he began studying the charts.Soon, they discovered that the weather was abnormal, and the divers began to return to shore.

However, Takamiko shocked the others by falling to the seabed while suffering from chest pains.Rong Bi realized what had happened and immediately called an ambulance to come to the rescue.He also tells him that Takamiko is a heart patient, which Sanda overhears and is forced to rush to visit her mother.Meanwhile, Rong Bi figures out how to find Gao MeiZi while one of the divers runs back to Gao MeiZi's home to tell her what happened to her daughter.The two rushed to the beach, and Sang Tai hurried over when he saw the ambulance and women running towards them.Everyone came to the beach to look for Gao Miko, but her whereabouts were unknown.The ending reveals the day Gao Miko lost her friend, Yong Bi's mother, when she was taken away by the sea.It was a shocking day, with rain pouring down, drowning their tears and sorrow.