They are stressing me for things l didnt not receive

Hellopeter pls help me I was called by a certain petson about Homechoice and l orded so I received a blanket insteast of curtains pillows cases and other things then l called them to enquire about such thinh and their response was the other parcel returned back to us so u might as well bring back that blanket.And yes I did exactly as I was told but Im getting calls from lawyers telling me I owe Homechoice I have several emails,made calls and faxed but they keep saying I owe them Hellopeter please assist me