War skies, stolen secrets, and a love untold.

The Western Front, September, 1915: When vital aerial reconnaissance photographic plates are stolen by the enemy, former Sherlockian Irregulars Becky and Flynn are called to action. As they traverse the war zone incognito with Madame Curie and her daughter in a mobile radiology lab, they help wounded soldiers and civilians, facing increasing dangers and betrayals. With their relationship deepening amidst the chaos, they'll need their wits, courage, and each other. Especially without Sherlock Holmes by their side. Will it be enough?

Discover the intrigue, relationships, and action in this thrilling Sherlockian spinoff. Hidden Harm remains faithful to the spirit of the beloved Conan Doyle originals while introducing more intricate relationship dynamics.

The second installment in the popular Becky & Flynn WWI mystery series. Listen today!