Is demand for long-term nursing care about to push the NHS over the edge? Ahead of the Budget, the Chancellor is coming under increasing pressure to raise more money to fund long-term social care. As local authorities struggle to meet these huge costs, reporter Tazeen Ahmad reports on the so-called 'dementia tax'. Ahmad investigates why some dementia sufferers have to sell their family homes to pay for care while others gain access to NHS funds. And Dispatches goes undercover to reveal the advice financial experts give to potential sufferers. Dispatches asks whether the system providing care for thousands is really fit for purpose.