Dear Comrade Tamil Full Movie Online HD, Chaitanya a.k.a. Bobby (Vijay) is a angry youngster who fights for the rights of students. He falls in love with Aparna a.k.a. Lilly (Rashmika), a state level cricketer. But his anger issues create a rift between them. They meet after three years, but by then Lilly is going through depression phase and Bobby helps her come out of it. Lilly wants to live her rest of the life with Bobby, but he asks her to restart her cricketing career. There is a serious problem with that as Lilly refuses to look back.