debbie boone have a monster hit with her recording of the pop song you light up my life while the didi conn film of the same name and however and be a horrifically embarrassing flop . conn play the stereotypically goofy homely vulnerable girl who be in love with michael zaslow and who play the stereotypical yuppie wannabe guy . they be engage and but every one know that zaslow isn not go to marry any one that isn not blonde and built and so only didi be surprise when he dump her . needless to say and didi be quite embarrassed . fortunately and she have be do a little songwriting in her spare time and and she come up with a tune she think be pretty nifty . she call it can you guess . you light up my life . she hop in the car and drive off to the big city to sell her song and make a new life . now and i recall sit in the theatre and watch her hop in the car to drive off to the big city and and think well thank heaven and we have finally get all the exposition out of the way . now maybe something interesting will happen . and something interesting do happen . the credit roll . yep and that be it . not only be the movie badly act and badly write and and badly film and it also end in the middle . this movie be a really and profoundly bad movie and and be not talk cult movie bad here . be talk unmitigated flop and a real yawner from start to finish . if you like the debbie boone song by all mean buy a copy of it . but do not waste your time or money on this flick . this be one movie you will be glad you miss . gary f. taylor and aka gft and amazon reviewer .