Synopsis：The heroine and the hero are lovers. The heroine's father and the hero's parents are engineers in the second hero's company. However, all three died in a fire. The heroine's father was framed as the shark murderer, and the hero and heroine separated. Five years later, the heroine returned as the second hero's fiancée. She entered the second hero's group to find out the truth. The hero and heroine repeated that she deliberately flirted with him, and he seemed to hate and deliberately alienated her, but in fact he had been silently protecting her.