Yu Kyung is a successful woman who is proficient enough to become an executive director of Chunha Group when she started as a secretary. She recently found out her daughter is alive, so she plans to get her back and take her revenge. Meanwhile, Hye Soo is a strong girl who faces challenges head-on. She has a daughter with Ji Ho, and she would do anything for her. However, she gets tragically betrayed by Ji Ho, the love of her life, over power and money. How will those two mothers end their fierce revenge?

Pi Seon Ju works as an interior designer in a small neighborhood. She is married to Jeon Nam Jin, who is an ambitious architect. Although Pi Seon Ju is devoted to her husband, her husband falls in love with Jin Sang A, who will become the successor of an architecture company. To further pursue his love and ambitions, Jeon Nam Jin demands a divorce from Pi Seon Ju. After their divorce, Pi Seon Ju decides to start her new life. Meanwhile, architect Kim So U is married to Jin Sang A. Unlike Jin Sang A, he is satisfied with a stable situation rather than being fueled with ambition. Due to his wife's affair with Jeon Nam Jin, Kim So U gets divorced. After meeting Pi Seon Ju, Kim So U experiences a turning point in his life.

A devoted working mom, Jeong-eun, prepares her daughter for the crucial "7-year-old exam" while leaving her mother, Ji-ah, to handle tutoring, creating a hectic yet heartwarming three-generation family dynamic.

Changsu happens to get a special perfume. The perfume has a special thing that appeals to women. Ara is also attracted to the perfume and meets Changsu. But with the advent of enigmatic characters trying to identify the perfume, everything gets twisted.