Daval has two paths in front of him:
A) Take advantage of the fact that Sofia can't see them and start fucking, then try to convince her that she imagined or dreamed the whole affair because she was drunk, with this Daval may return to a previous development and Daniel/Lana will not have to deal anymore with Sofia.
B) Make clear Sofia knows the secret, Daniel and Lana then help her find her glasses, just to fuck in front of her, they will keep her quiet with a bit of voyeur from time to time.
I'm happy with any of them, all I want is them to return home and finally see a bit of Sharon development... maybe the return of Rosa, no more Sofia and Martha for a few issues.