Lu Fan, a white-collar worker in the city, always thought of herself as an ordinary woman, until one day she was suddenly abducted by aliens. These aliens, claiming to be from Saturn, explained their absurd reasons for invading Earth, and the key to their invasion plan was to make Lu Fan fall in love with them and then betray Earth! In her hilarious daily life with the Saturnian, Lu Fan is surrounded by aliens from various other planets! These aliens each have their own purposes, yet their intertwined fates bring them together in Beijing… Lu Fan begins to realize that she is not as ordinary as she thought, and as she slowly develops feelings for the Saturnian, what choice will she make?