The story is based on two pairs of Les. The protagonist Gan Lin is a daughter of a government official. After graduation, he chooses to change the main line of his relationship. He meets the entertainment rookie Leem and Lin Hanwen, the seven-year itch. What choice should they make? Betrayal, use, elimination or possession? Is Guobei's campus taboo true love or another life challenge for Tang Ni? Should he leave or face it?