Tian Tian is an ordinary college girl, but she also has an ulterior secret identity - she is a hepatitis B carrier. During her college years, she longed for beautiful love and bravely pursued the life she wanted; eventually, she fell in love with her classmate Yang Hao; but her classmates did not understand, which troubled her; she fled the college campus in a hurry, and stepped into the metropolis of Shenzhen with her own dreams, ready to start a new life, but her special identity brought fatal harm to her.