S2·E13 The Devil's Lighthouse

Point Clifton, a small town just down the coast from San Francisco, is visited by the Legacy team after Derek sees an article in the paper. At a place known locally as 'The Devil's Lighthouse' a young boy vanished and his girlfriend is blinded. The girl insists that, before she was blinded, she saw her boyfriend, Bobby, vansih into the main light of the lighthouse, pulled there by a man!