In the small but wealthy town of SM Town home to the richest families in South Korea. Where the wealthy live and their heirs go to school. In this place specifically, the moon light is stronger, brigher... almost magical. One night a girl wondered why does the moon shines differently. Little did she know it's due to a powerful wolf living in an old house hidden deep in the woods - only one person knows of his whereabouts, who visits him often. How will she react when she comes across him? When she discovers their connection? What if she falls for him? 

Xi Luhan 

Background: Xi Luhan was born into Xi family, a successful, well known wealthy family and secretly a powerful wolf pack. Through some unfortunate events, his entire family were killed leaving him in the care of Wu Yifan. A wolf. Because of Kris, Luhan had lead a life of isolation inside a house deep in the forest as Luhan is too powerful and afraid of the power within him that he is unable to control his wolf transformations. Luhan was hidden away from not only the human world but the wolf world because of his importance to the existence of wolves and nature and the balance between humans and wolves. 

Personality: Luhan has never been in contact with humans and only had a few interactions with only Kris' wolf pack EXO but besides from this Luhan had been living an isolated life. This causes Luhan to be quite timid but can be adventurous and curiosity rules him. To Kris, Luhan is loyal, intelligent and dutiful. Although Kris unaware that Luhan is capable of being compassionate, considerate and kind. 

Wu Yifan (Kris) 

Background: Wu Yifan also known as Kris was the Xi family's most trustworthy and respectable bodyguard and friend. The Xi family trusted him to protect and care for Luhan when they discovered they were in danger. Wu Yifan keeps Luhan in a house hidden deep in the forest for his own protection. Kris lives three lives: a life as the alpha of his pack, a protector of Luhan and a business man in order to provide for himself, Luhan and his pack. 

Personality: Usually cold, overprotective and controlling. He honors his responsibilities especially for Luhan. He lives a life of honor and morality. 

The Seo family:

Seo Joohyun (Seohyun) 

Background: Seohyun was born into the Xi family. Due to some tragic events her parents died leaving her in the care of her older brother and older sister. Her parents left behind a powerful empire (which her older brother took over) and huge wealth to Seohyun and her sibilings. Seohyun is one of the most popular girls at her schools, she is intelligent, beautiful and funny - making everyone adore her. 

Personality: Due to her parents death she grew up to become a strong and determined young woman. She is extremely loyal and overprotective of her family since they are her only relatives left. Being close to her, her sibilings are aware of her loving nature and her sensitivity. She may come across as confident and high class, although deeply she is naaive, insecure and clumsy. Therefore she tends to overachieve to cover her flaws. 

Seo Yuri 

Background: Born into the Xi family and is their first daughter and second child. Seohyun takes a lot after her as she too was very popular and well known in their school and social circles. She always keeps busy with her social life - she is known to be fun, wild and a socialite. She also became a mother figure to Seohyun.  

Personality: Kind, compassionate, wise and responsible yet sometimes she tends to be selfish, arrogant, judgmental and becomes involve in other people's business - often gossips. 

Seo Jeong-su (Leetuk)

Background: Born into the Xi family. He is the eldest and only son of the Xi family. With his parents' passing he obtained his families fortunes and custody over his younger sisters. He is often under pressure due to his business but that never got in the way of caring and loving his sisters dearly. Before his parents' death, he was troubled and often disappointed them - this lead him to be racked up with guilt since they did not have a good relationship. 

Peronality: He matured after his parents' passing and had a positive relationship with his sisters. He is dutiful, responsible and sometimes tends to be strict. He is brave, smart and cunning able to make far more money than his father before him. Although he tends to be arrogant and overconfident.