The mystery begins with Neal Giroux hit and hurt bad in an auto accident just outside a posh restaurant after a marvellous dinner date with his sister Peggy. Momentarily stunned by the development, Peggy rushes into the restaurant to get help and returns with the owner to find nothing! No Neal. no sign of anything wrong, nothing. After checking with hospitals and the morgue for anything about Neal and coming up empty,
Peggy finally hires Barnaby to locate him. Barnaby takes the case but can't help feeling that Neal is probably off having a grand time with his latest lover, or somebody- Then J.R finds out that Neal is in a critical condition at a sanatorium run by notorious mobster Paul Buchanan. Neal, as the Joneses discover further, is no machinery salesman, as he has always told Peggy, but Buchanan's top hitman. And now the only thing stopping Buchanan
from killing Neal is that the injured has something the gangster wants. As soon as Buchanan gets that something, it'll be bye bye Neal.