Seduction(2017)

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...