Ling Changfeng is an honourable general and has been in a passionate marriage with his wife for the past 3 years. However, a strange disturbance hits their city on their third anniversary, and "madmen" run wild in the town, attacking innocent citizens violently. Ling Changfeng leaves his wife behind to protect the people but when he returns, finds that his wife has been infected by this phenomenon. He refuses to reveal this as he knows that anyone who turns mad will be killed. He keeps her by his side in secret while trying to solve the cause of this frightful phenomenon.