Karim D., a confident French author with a new book, is a rare Arab rising star in Paris’s intellectual hothouse. His social life pivots between glittering literary cocktails and hanging out with old friends from the suburbs. When Karim’s teenage online identity as "Arthur Rambo" is revealed, the two worlds collide. Where Karim is now a nuanced author, Arthur Rambo was profane and blindly provocative, writing scandalous tweets intended to get a rise out of bourgeois France. Karim soon learns that the Internet is forever.