I think I didnt explain well, sorry. Look This is the firts blueprint widget, when the user click in the image it will play the video, and that video is in another blueprint widget. @ZenLeviathan
and this this the blueprint widget.
And this were the video is playing but from this blueprint widget I cant go back to the first blueprint widget without stopping the audio and same thing If I click quite. And same thing if I want to play again the video the audio doesnt mix with the same audio. I dont know if I explained it well.