A gang of sleuths Evie and Tom have received a call for help from Lotte Mannering, the lady detective of many disguises. Lotte has been engaged to keep Miss Cornelia Hansen, heiress to a vast fortune, safe during a weekend house party. With more guests arriving at Rosendale Hall, Miss Cornelia’s residence, Lotte is struggling to keep track of anyone and everyone who looks suspicious. Matters are made worse when Miss Cornelia receives another death threat. Someone is prepared to go to great lengths to stop her from meeting a prospective husband. When one of the guests turns up dead, they know there’s a killer with serious intentions and they’re not afraid to keep trying as someone else suffers a serious injury clearly intended to be fatal. Evie and Tom rely on Lotte to employ her many disguises to dig up the information they need to identify the killer. They’re not exactly short of assistance as Millicent, Tom’s cousins, the dowagers, and Toodles join in the hunt. It seems they are now all in the sleuthing business. However, even with so many sharp-eyed observers, they all seem to miss something obvious, and by the time they realize this, it might be too late. Lighthearted historical cozy mystery