Xiao Duoyu, a little girl with special abilities, was sent to the wealthy Zhan family to "bring happiness" to the comatose Zhan Xiaoye because of her special destiny. She can see and swallow "black energy" - a negative energy that represents misfortune and evil. She not only awakens Zhan Xiaoye, but also resolves conspiracies and crises inside and outside the family many times. As the plot develops, Xiao Duoyu's life experience and abilities are gradually revealed, and she becomes the focus of competition between all parties. In the end, with the support of her family, she defeats the magician Tang Yin, resolves the crisis in the port city, and grows into a "little tiger" who protects her family.
