As the weekend unfolds, tensions rise among the guests as they realize they have all been brought together under false pretenses. They begin to suspect that their host, Lewis Findley, has sinister motives for inviting them, and as secrets are revealed, they find themselves in a fight for their lives. Miranda, who initially seems to be just another guest, proves to be resourceful and using her knowledge of flowers, is able to help uncover the truth behind the weekend's events. The film is a classic whodunnit, filled with twists and turns, and keeps the audience guessing until the very end.