After cultivating for two thousand years in the Immortal Realm, Immortal Lord Finn returns to the modern world and learns his wife has died unexpectedly. His sister-in-law Serena and his daughter are constantly in danger. As a devoted father, Finn steps forward without hesitation, eliminating all threats to protect his family. “Anyone who dares touch my daughter or sister-in-law will first answer to me.” Under his protection, Serena's career obstacles vanish, and his daughter grows up happy and safe.