Paddy and Vanessa become worried as Rhona 's mood swings are visible .
Matters get worse when Rhona begins buying pills from a dealer named Gary , leading Vanessa to attack Paddy physically when Paddy confronts Rhona .
Paddy and Vanessa become worried as Rhona 's mood swings are visible and matters get worse when Rhona begins buying pills from a dealer named Gary , leading her to attack Paddy physically when he confronts her .