I seen a spoiler about Ross being upset that Debbie doesn't visit him in hospital. SO by the looks of it the truth won't come out straight away. It wouldn't surprise me if Moira steps up for him, knowing that Debbie was behind it then when the truth comes out Ross will want revenge on all of them.
I'm interested to see if the rumours about a drug addiction are true though, it's hard to imagine Ross in a storyline like that.