[Machine Translation] Masayoshi works part-time at the store of Mr. Richard, a beautiful and talented jeweler. Mr. Richard's appraisal skills are becoming more and more brilliant, and every day he brings in more and more troublesome riddles. Today, a long-established ballet troupe asks him to appraise an emerald necklace that is cursed by a dead ballerina. What is the unexpected truth that Mr. Richard draws from the emerald and the feelings hidden in the stone? A jewel mystery that unravels the mystery of the human heart that resides in a jewel!