When spirited Eustacie stumbles into a band of smugglers, she is delighted to be having an adventure at last. Their leader, young heir Ludovic Lavenham, is in hiding, falsely accused of murder. Pursued by the law, Eustacie and Ludovic find refuge at an unassuming country inn. There, the resourceful Miss Sarah Thane and the clear-thinking Sir Tristram Shield gamely endeavor to prevent Ludovic's arrest and Eustacie's ruin as the four conspire to recover the missing talisman ring that will clear Ludovic's name.