In a huge mansion, in one of the richest estates in Bow City in Country B, a beautiful young woman of 39yrs of age looks like a young girl of 16yrs old just like Hana was crying. Jang Jin, the mother of Jang Hana has not been happy since her only daughter was declared dead for the past 2 years. Don't let her soft and kind look fool you because she is the world's deadliest assassin.
Her husband and her sons have been going to every mortuary and hospital to find her body, but they haven't seen it.
Her husband Jang Hye is a handsome man, who doesn't look like a man 40 years of age but is like a 25yrs old young man, he is the owner of Jan Empire. He is a ruthless and cutthroat businessman, he kills without mercy and he is feared by everyone except his wife and kids. He is strong and has been in the Knights of Darkness since he was 16yrs old and has been taking top missions since then that was when he met his wife and work till his late father-in-law agreed for him to marry his only daughter. The Jan Empire is the largest company in the whole world, they produce computers and software, and they have the largest fashion design clothes named JH design named after Hana by her mother because she is the one making the design. The company produces medicine and has the largest hospital in the world, their hospital has branches all over each country.
Hana's four brothers are Jang Seung, Jang Cho, Jang Myung, and Jang Hyun. They are all male gods in the eyes of everyone that set eyes on them, they all look like their father Jang Hye.
Jang Seung the eldest is 25 years old, he is a famous computer genius, he created his first computer programming at the age of 7 and he is a ruthless young man in the underworld who took over from his late maternal grandfather. They are known as Knights of darkness; they are feared by everyone that hears their name because they run a lot of organized killings of corrupt officers and deal in arms and their distribution to their buyers. Because of this position Jang Seung has had a lot of assassination attempts in his life since he was 8yrs old that's why he doesn't trust people only his immediate family. This position has been in this mother's family for generations that's why he was groomed to take over it. He has used his connections to find his little sister, but he hasn't gotten good feedback on it.
Jang Cho is 24yrs old and the second child of this family, he is a famous songwriter and singer named Chosen. He has been in fame since he was 5yrs old. He is as brilliant as his elder brother and a fashion icon like their mother. He assists his brother in controlling the Knights of Darkness and he is in charge of the assassination department. He is swift and straight in his dealings that's why he is named by his enemies as the smiling devil since he is always putting on a white mask when goes on missions for his brother.
Jang Myung is 23yrs old and is the third child of the family. He is the world's top medical student; he made an artificial mechanical leg replacement at the age of 9 and he has been doing a lot of other research since then. He is known as a scientific genius in medicine because he is the best surgeon in the world. Myung is among the top assassins in the underworld just as he is good with the knife in saving people, so he is good at killing because he knows all the deadly parts in the human anatomy, his code name is Death.
The younger son Jang Hyun is a world-famous painter. He started creating designs at the age of 5 now that he is 22yrs old he is a great house designer. He helps his mother in designing of clothesline for their company. He also made contributions to the Knights of Darkness organization; he is designing a lot of the weapons the brothers use in their missions while Myung brings the designs to life.
The last child which is Hana has never been shown to the world, but everyone knows they have a daughter, and she possesses a lot of qualities like her mother, father, and brothers. She has always been on a mask whenever they go out to gatherings. She has been making medicine to save lives and is the best hacker in the world. Her fashion sense is epic, and she has her clothing line like her mother. She started her own company of makeup products at the age of 5 and her hacking skills when she was 4yrs old. She is the princess of the Knights of Darkness organization, that's where she spends most of her time helping her brothers to create more weapons and poison for their opponents.