Gilli movie is the remake of tamil movie '7G Rainbow Colony'. This movie is purely a love story and it depicts how a girl improve the boy, who is wayward. But the boy fails to get the girl and becomes mentally unstable. Later he continues with his job and every evening he meets Anita and they discuss the happenings of the day.
It is understood that Anita is visible only to him and she comes to speak with him everyday so that he does not feel her loss anymore as well as he can continue his existence on earth.