It's June A.D. 80. Everyone is thinking about love at the lavish Villa Limona, where friends Flavia, Jonathan, Lupus, and Nubia have come to visit for the summer. But their host suspects that there's a poisoner among the houseguests, and the friends are asked to investigate. Faced with many distractions, including the arrival of Flavia's betrothed, can they set a trap to catch the culprit?