Eighteen-year-old Lu Nianchuan and his younger sister Lu Siyu unexpectedly learn that Jiang Yutong, the vice president of a listed corporate group, is actually their biological mother. The brother and sister travel far to the capital to find their family, only to face all sorts of harassment from the Jiang family, being forced to change their surname and cut ties with their biological father. Lu Zhouxing, who appears to be an ordinary delivery driver, is in reality the helmsman of a technology group. Eighteen years ago, he was deeply hurt by the Jiang family's prejudice regarding social status, yet he single-handedly raised a pair of children with meticulous care. Facing the Jiang family's hypocrisy, scheming, and commercial gaming, Lu Zhouxing steps forward to protect his children.