In 2025, geomagnetic disorder tore apart human beings' emotional defense lines. A car accident on a rainy night kicked off a situation out of control - crows circled, explosions occurred, and the city fell into chaos. Lu Chen reunited with the four childhood friends in Qingmei Lane, and their shared memories of childhood were revived: they had touched a mysterious pendant, and their brain waves were encoded by an unknown force. When the "Ring of Harmony" uses frequency music to control people's hearts, the sensory impact of blood and healing becomes a double-edged sword, and the five people find themselves the key to the confrontation. The reformists want to cleanse emotions and reshape the rational world; the rescuers swear to uphold humanity and find a way to heal. The underground device roars, and 65 million-year-old alien secrets emerge. Can they use the bonds of childhood to fight against the frequency rift? The ultimate game about emotion and destiny begins.
