Instead of the parents, Mark receives a mistaken telephone call at home about the ransom instructions for kidnapped 6-year old Joey; when he turns up at the park chosen as the exchange scene, the desperate dad Ted gets shot, which makes Mark feel guilty. At the elaborately staged second attempt to pay up, Steve is sent through half of L.A., but as Mark suspects they discover the suitcase isn't filled with the ransom money, just newspapers. This leads Mark to think the the switch was made at the house, by whom and why... Written by
Did You Know?
After Mark has listened to the phone recording for the umpteenth time, Steve tells him that the technical people have checked it and there are no "ships's sirens or church bells". The same line is used in Conan Doyle's story "The Greek Interpreter", when Sherlock Holmes is questioning what could be heard from a carriage. The quote does not, however, appear in the original story - only the television version. See more