Game bugged

[Playmobil987]

Hi everyone iam playing LOTR war in the north since long time and i have a problem : iam in legendary difficulty and iam at Carm dum the last stage. Iam just before boss gate and when i look the movie where the eagle is injured : door dont want open !!! i tried swap character restart game, restart steam, restart computer and still dont work... theres the song of prologue of begenning of game during the game everywhere i go.. plz someone help me !!!