Romance-hide your secret

Twenty-year-old girl Qin Xing decided to confess to her crushed boy Bai He on her birthday, she told this plan to Bai He's sister, also her best friend Bai ye. But on Qin Xing's birthday, she discovers that Bai He and Bai Ye are not really brother and sister. She uses her cell phone to take a video of Bai He stealing a kiss from Bai Ye and prepares to use it to threaten Bai He to agree to her confession.