When a close friend of Mr. Potts is murdered, Eliza finds herself investigating the dark and macabre world of Victorian undertakers.

James and Helen wonder when the right time might be to start a family, not knowing whether or not James will be called up to serve in the Royal Air Force (RAF). Tristan’s absence is felt by all, but no one more than Siegfried who attempts to hold the growing household, and himself, together as he braves this new world. When Mrs. Hall takes a leap of faith, Siegfried offers his support.

New year, new season, new challenges. Eliza has taken over Nash & Sons, while her relationship with William faces a life-changing decision.