The drama is about the conflict and harmony that happens in a Family.

The "God of Swords" Kwan Tin Hung is slain by his double-crossing friend Ngok Sing Fung. Nineteen years later, Hung's son Fu Hung Suet seeks to kill Fung for revenge. Suet has inherited the supreme sword-fighting skills from his father, so he can easily dispatch his challengers and Fung's assassins he encounters on his way.

Young Hee is a woman who separated from her husband Sang Jin because he cheated on her. One day, Jung Hyo, a pregnant woman whose boyfriend ask her to abort the child, starts living with Young Hee, her boyfriend's mother. Although they fight often, they also come to understand one another.

Kim Yeon Woo is an orthopedic doctor who takes up a new post at Taereung National Village, the training center for national Olympic athletes, after she is fired from her previous job. She becomes romantically involved with Park Ji Heon, a young judo athlete, and Lee Do Wook, the short-tempered, crippled director of the facility who is still haunted by the injury that had cut short his speed-skating career. This is further complicated by the presence of the swimming coach, Hee Young, who becomes her rival for the attentions of Do Wook.

Han Tian Yu is a friendly island physician. His father has a stroke and his mother urges him to take over the family business - a beauty medical clinic. However, Tian Yu can't understand why his father abandoned him and his mother, and can't forgive him for finding someone new. He is extremely reluctant to rescue the clinic. In a series of coincidental mishaps, he meets Tong Lin, who happens to be father Han's student and mother Han's tenant, and she poses as his fiance. The enthusiastic and optimistic Tong Lin is discontent towards Tian Yu's negative attitude.

For the first time in Super Sentai history, two teams will be facing off on opposing sides of the law!

The 'Lupin Collection' is a group of treasures with enough power to endanger the world. It is stolen by the 'Ganglers' who come from another world. The Lupinranger's goal is to reclaim the collection while the Patorangers goal is to take down the 'Ganglers'.