In the TV series Falling in Love with Central 2 Nights, Blue Ocean and Chao Hai are sisters. Their mother Dong Zhishu and their father Jiangsu got married in 1980s. After marriage, they have two daughters, Chao Hai and Blue Ocean. However, when his mother Dong Zhishu and his father Jiangsu were preparing to move to Hong Kong, Blue Ocean was kidnapped by bad guys and disappeared into the sea of people.