The watchmaker of Filigree Street

In 1883 London, a telegraphist named Thaniel Steepleton finds a mysterious gold pocketwatch that saves his life during a massive bombing. His search for the watch's maker, the enigmatic Keita Mori, pulls him into a hidden world of clockwork and music. Meanwhile, Grace Carrow, a physicist, is determined to prove the existence of the luminiferous ether. As their lives intertwine, they uncover secrets and face unexpected dangers in a magical past where time and destiny collide.