Jo Dong Hyuk will be playing a 27 year old single with a six year old son who falls for Choo Sang Mi, a thirty-three year old divorcee. Her husband cheated on her and she suffers from the pain of losing their son in a car accident 3 years ago. This drama is about how the two meet and through a child they heal each other wounds.

"Kaiki Renai Sakusen" follows three women and depicts their persona lives, work lives and their fight against a monster. Natsumi (Kumiko Aso) is 36-years-old. She dreamed of becoming a cafe owner and saved money to achieve her dream, but she was swindled out of her money. She now works at the cafe where she dreamed of becoming the owner. Akiko (Maki Sakai) is 39-years-old. She works as a music teacher and awaits for the perfect man. Fuyu (Tamaki Ogawa) is 38-years-old. She thinks of herself as an actress.

Naoko finds her life at cross-roads, as her career unravels after an unsuccessful project results in her demotion from marketing to data management, and her lover-cum-boss, Yanagiba Toshiro has left her to move to New York. When her life feels like it is at its lowest point, she meets Uchimura, a bus driver whose carefree yet caring approach makes her rethink her life's direction. When Toshiro unexpectedly returns to Tokyo, she finds herself caught between the two totally different men in her life.

Han Seo Ha is a bright and cheerful girl in 3rd year of middle school. She dreams of entering Hanlim Multi Art School because she loves singing. But she’s always compared to her older sister Seo Jin. Seo Jin is a sophomore in Practical Music department in Hanlim Multi Art School. She has an aura of a girl group center. She’s excellent at playing piano, but she isn’t as good as Seo Ha when it comes to singing. Cha Su Ho is a sophomore in Hanlim, his speciality is piano and vocals. He’s tall and good-looking. He has all female students attention, but he isn’t interested in any of them. Do Chae Ah is a sophomore in Hanlim. She receives attention from teachers and students because of her skills and looks. She is always unhappy with Seo Jin. Ban Da Yul is Seo Ha’s best friend, she always carries tarot cards with her and chants strange spells.

Nedpathu is a spoiled child. Her hatred toward her step-mother turned her behavior and attitude out of control. Her father, Chairman Porpong decided to re-establish his daughter by offering a bet. In order to inherit the factory, she must disguise herself as an average person working at the factory starting from the lowest position. She takes on the challenge but there's a catch. She is not allowed to disclose her real identity and she not allowed any aid.

One day, a middle-aged man, Fujimoto Makoto, is standing on a train platform, about to jump in front of a train. Nakashiro Kana and Tasaki Shota both happen to be on the same platform, and sensing what is about to happen, they quickly pull him back to safety. There’s a reason why Kana and Shota realized Makoto’s intentions, they both have the kind of emotional scars that can’t be put into words. Even after so much pain, through a series of e-mails, they've become attracted to one another and slowly learn to open up their hearts once again.

A tortuous love story between Han Wenhao and Cheng Lulu caused by family love and hatred.