Kat Stanford is just days away from starting her dream antique business with her newly widowed mother Iris when she gets a huge shock. Iris has recklessly purchased a dilapidated carriage house at Honeychurch Hall, an isolated country estate complete with eccentric lords and ladies and butlers and cooks.

When a secret from the past comes back to haunt Iris, Kat realizes she hardly knows her mother at all. And when the bodies start piling up, it is up to Kat to unravel the tangled truth behind the murders at Honeychurch Hall.