The Mu family's only young master, Mu Wudao, conceals his identity while studying as a top student at an elite academy in City A. But his status as the school's heartthrob sparks jealousy in the wealthy young bully Ji Bochang, who sends people to slash his arm. The entire school fears the Ji family's power, and even the vice principal is helpless. Who would have guessed that one phone call from Mu Wudao would bring his second sister, Mu Yulu, speeding in with bodyguards and boldly pledging 20 billion to protect her younger brother, revealing the Mu family's identity and shocking everyone? Overnight, the Ji family is expelled from the ranks of the four great families. Hoping to keep a low profile after transferring to a high school in City C, Mu Wudao unexpectedly runs into his childhood sweetheart, whom he has not seen for a year. Their buried past and hidden identities begin to surface one after another. In the end, this game of pretending to be well-behaved can no longer conceal the power of a prestigious family!