Two brothers from the Jian family, one of the four major blood families. One has a gentle temperament and has an appearance that women are jealous of. However, he is not recognized by the family and is called a bastard. He does not even have a surname. He can only submit to the situation and become the shadow to protect his beloved brother in secret. The other is cold and domineering, and is the object of competition between vampires and women from the mortal world. An accident in his childhood turned him into a pure-blood vampire, and he started a different life path. In order to let his younger brother have the ability to inherit the family, he kept fighting with his younger brother. While the brothers collided with each other, they sparked the spark of love. But how should this forbidden love continue? One puzzle after another emerges, making them want to give up; one conspiracy after another makes them unable to retreat; one misunderstanding after another makes them unable to continue; one identity after another makes them oppose each other. How should they be together? As long as you still love me, no matter who you are or where you are, I will never leave you and depend on each other in life and death. As long as you love me.