This is a tale about a cherished daughter, loved by her mother who holds the position of the official spouse. Her father, despite his vow to remain devoted to his wife, endeavors to wed another young lady. Unexpectedly, he introduces a 17-year-old dashing figure into their lives, claiming him as his son. Although he appears charming, there lies a cunning and狡猾 nature beneath the surface. The young man, who captures her heart, is actually a suave charmer in disguise, driven primarily by the desire for wealth from her father's influential position. Will this seemingly delightful narrative turn out to be anything but a fairytale? What is the true identity of this so-called "illegitimate son"? And what twists await in the complex relationship between this sister and the enigmatic brother?