The 28-year-old Lu Yang is a smooth and sophisticated person who does everything right. He prides himself on being an excellent employee, leader, friend and lover, but he fell out of love with his boyfriend in the sixth year of being together. Under the persuasion of his long-time friend Lao Qian, he moved into the house shared by Lao Qian and his roommate, only to find that Lao Qian's roommate was an extremely difficult and neurotic (suspected) virgin...?