Waking the Dead · S5, E5
Subterraneans Part 1
A millionaire businessman is found dead from an apparent suicide by medication, one year after he disappeared. He had been kept prisoner in an underground cellar, but the kidnapper made no ransom demands. The victim appears to have committed suicide with pills. In the same cellar another male body is found - this one appears to have been brutally murdered some years earlier, presumably by the kidnapper.