Keanu reeves and alex winter return to star as theodore 'ted' logan and william 'bill' s. Preston, esq. In this sci fi comedy sequel. 25 years after rocking the world with their wyld stallyns concert, bill and ted are again called upon to save the universe after a visitor from the future warns them that they need to write a new song to unite the world. With no fresh ideas, the middle aged pair get back in the time travelling phone booth and venture into the future to obtain the song they need from their future selves. Meanwhile, their daughters billie and thea travel back in time to recruit a group of musical legends from throughout history.