On the day they spontaneously divorce after being married for less than a month, magician Tao Xiaolei and air hostess Zhou Jing hear they have won a free honeymoon down in Sanya, Hainan Island. Chaos ensues when Zhou Jing is suddenly kidnapped for a US$150,000 ransom.
Diaries of the Cheating hearts depicts the lives of four women, their love life and their career. Basically, the ups and downs of their lives. But these kind of women makes them more beautiful because their married lives gives them a totally new dimension, feelings and experiences.
Fang Zhen Dong is a patrolling officer in Beijing who one night meets the drunk Li Pei Ru while singing karaoke at the KTV place. Li Pei Ru is a real estate agent from Hong Kong who has vowed to make her fortune in the cosmoplitan Beijing, but is caught up in the complexities of life and ends up becoming a mistress of a married man.