Two children who feel sure they died terrible deaths and have been born again tell their extraordinary stories. Nicola, aged 12, lives in Keighley, Yorkshire, near to the railway tracks where she played in the 19th century in another life. Then, she says, she was a boy. Parish records suggest that it isn't just a childhood fantasy. Titu, aged 6, lives in north India in the shadow of the Taj Mahal. His is a violent story. He alleges he was gunned down by a murderer. Another vivid imagination? The radio shop he ran still exists, and his widow is still alive. When he mentions buried gold, it seems to jog her memory...