In the year of 2056, androids are a natural presence within China, with their uses ranging from companionship to battle. Enter Xiao Hu, aka XBT-512087, an android made from cutting-edge technology. When he’s assigned to Ling Teng Yun’s military unit, tensions rise while Major Ling deals with his PTSD regarding androids, Xiao Hu uncovers national secrets, and the two of them discover that their relationship is more than what they could have expected from a human military officer and his android assistant.