25 years ago, Mi-Hee was an ordinary housewife, married to Chul-Joong with a son. Suddenly, her husband died and her son went missing. This all took place at their house. Mi-Hee was imprisoned for 25 years. She is released from prison and goes back to the home where everything took place.

Kim Young Ho is a personal trainer for Hollywood stars. Even though he comes from a wealthy family background, he suffered a devastating injury during his childhood days. Now, he overcomes his problems with patience and stubbornness. Meanwhile, Kang Joo Eun is 33-years-old lawyer. She has struggled to support her family. Now, she is overweight and challenge her-selves for a diet.

Hyo-joo (Ha-neul Kim) is a temporary teacher at a boys' high school and Hae-yeong (In-yeong Yu) is a fellow teacher who is the school board chairman's daughter. One day, Hyo-joo witnesses Hae-young locked in a passionate embrace with a boy and she starts feeling an inexplicable sense of humiliation towards Hae-yeong.

Park Dal Hyan hails from a poor family and aspires to be a soldier. He joins a group of adventurers who serve the Crown Prince as his warrior guards.