December 1922, and society dressmaker Jemima Flowerday receives a letter from Lady Hamlash of Merry Beggars Hall, requesting three new gowns for the Christmas season. Lady Hamlash does not travel, so Jemima will need to visit the Hall in deepest Suffolk to work in situ.

The commission appeals to Jemima for more than one reason. It will bring her some much-needed income. More interestingly, the remote manor house was the scene of a grisly murder earlier that year, when Lady Hamlash, inspecting her plants in the walled garden, found a man's severed head beneath a terracotta asparagus cloche.

The murder was never solved.

Jemima, addicted to mystery novels and with a proud history of solving crimes in her own world, is sure she can crack the case. That ambition becomes a little more complicated when, within hours of her arrival at Merry Beggars Hall, the household cook dies in front of her…