A wounded heroine. Mysterious murders. And a new baby on the way. London, December 1915. It’s a wartime Christmas in London. In the night sky, Santa’s sleigh has been upstaged by Zeppelin bombers. On the ground, Becky and Flynn are investigating a military clinic for wounded soldiers, where mysterious deaths may indicate new dangers from a deadly experimental German poison. But Becky hasn’t yet recovered from her bullet wound, and Flynn is directly in the line of fire. And nearby, in the zone targeted by the Zeppelin raiders, Lucy is expecting her new baby. These favorite characters from the Sherlock and Lucy Baker Street team will need all their courage, strength, and intelligence if they are to survive and prevail. Fortunately, they have Mr. Holmes and Dr. Watson as their allies, and they have each other. But will that be enough? A fast-paced and thrilling Sherlockian spin-off, with unexpected twists and turns, strong and memorable heroes, and a touch of romance. Watch and Ward stays faithful to the spirit of the beloved original series, while introducing more intriguing relationship dynamics.