Liu Ruoyang, a young boy with a unique personality, falls in love with his neighbor, the beautiful single mother Chen Mengyin. Liu Ruoyang's parents divorced when he was young, and Chen Mengyin has always cared for him. As he grew older, Liu Ruoyang's feelings for Chen Mengyin changed, but Chen Mengyin still took care of him as an older boy and basically ignored the unrequited love of the infatuated boy. This made Liu Ruoyang very painful. In order to win Chen Mengyin's heart, Liu Ruoyang went crazy: climbing up the stairs in the middle of the night to peek; getting off Trojan horses to steal chat records; intercepting netizens who wanted to date Chen Mengyin; disguised herself to go to the chat room where Chen Mengyin often played; and danced with Chen Mengyin in the chat room to win a bet. He made her his online wife and even secretly installed a pinhole camera in Chen Mengyin's home... A CD that Chen Mengyin secretly recorded led to a fatal disaster. When Liu Ruoyang saw Chen Mengyin being hurt from the pinhole camera, he rushed out regardless of his own safety...