The Lin family murder case that shocked Hong Kong entered the last day of trial. When the jury was about to retreat to discuss, one of the members, Xu Lisheng (played by Zhang Jiahui), suddenly received news that his daughter Yinyin (played by Amy) was kidnapped. The mysterious man asked Lisheng, who was once an international hypnotist, to use hypnosis to make the jury find the defendant guilty of murder, otherwise his daughter would be killed. This means that Lisheng must hypnotize at least 4 people in a small space, in full view of the public, without professional tools. After Lisheng secretly forwarded the news of Yinyin's kidnapping to his uncle Yang Kai (played by Zhang Han), who was once a member of the domestic special forces, he entered the retreat discussion room...