Jeong-hoon, who is looking back on his life because of his wife who committed suicide without a will, finds the meaning of happiness that his wife longed for, and visits the sea of memories where he found Geon-hee. A short but intense relationship continues with Geon-hee, who had been struggling with her daughter after divorce with her husband, and she smiles for the first time, and Jeong-hoon feels the small happiness Geon-hee gave him on his bus returning home.
Seul-gi
Seul-gi has a satisfactory life with her rich and caring husband. However, she feels she's lacking something and meets Seung-hwan to whom she is very much attracted to. Seung-hwan is a free spirited man and seduces Seul-gi. The two of them experience an exciting but dangerous relationship. However, her husband Jeong-ho finds out but he's willing to let it go as he knows he loves her but he hasn't been able to care for her much as he's been so busy. He gives her the chance to make a choice and the moment comes where she has to make the right decision...
