Baron Collingwood’s eldest son and heir to the title dies from a mysterious illness. Shortly thereafter, his brother, the second in line, also falls ill. His condition takes a dramatic turn for the worse, leaving doctors and police stumped. The Baron thus turns to Holmes and Watson for help.

Written by William K. Stewart and F. E. Patzak
Based on characters created by Sir Arthur Conan Doyle

Spoken by Carl Mason

(C) / (P) 2024 Hamish Audio