Gregori Pollok ustraivaet vecherinku, no ona vyglyadit bolshe zloveschey, nezheli druzheskoy: kazhdomu iz prisutstvuyuschih est chto skryvat, u kazhdogo imeyutsya veskie prichiny ne lyubit i boyatsya Gregori. I poka odin pritvoryaetsya radushnym hozyainom, a drugie - bezzabotnymi gostyami, komu-to otlichno udaetsya rol ubiytsy... Politseyskiy Frenk Ebbot sobiralsya bezmyatezhno provesti otpusk u rodstvennikov v derevne. Ne tut-to bylo: v rosche videli cheloveka, taschivshego trup devushki, v uhe kotoroy byla brilliantovaya serga v vide koltsa. K tomu zhe edinstvennaya svidetelnitsa yavno chego-to ne dogovarivaet. Prihoditsya Miss Silver brat eto delo v svoi tsepkie ruchki i postepenno raskruchivat zaputannyy klubok tainstvennyh sobytiy...