Publisher's Synopsis
'DEAR MR. DRUMMER, YOUR DAUGHTER IS SAFE...IF YOU WANT HER BACK ALIVE IT IS GOING TO COST YOU MONEY...DON'T CALL THE POLICE...YOU ARE UNDER OBSERVATION, SO DON'T TRY ANY TRICKS.' A note is left in the girl's flat by her kidnapper. Her father, Harvey Drummer, turns to Dr. Morelle and Miss Frayle to help him secure his daughter's release. The case proves to be one of the most baffling and hazardous of the Doctor's career!