Rinda Riko (Ayase Haruka), known as the universal appraiser Q, has amazing appraisal skills. With her outstanding performance in a robbery, Riko was appreciated by the Louvre's Asian agent Asahina Naoyuki (Murakami Hiroaki), who recommended her as a temporary appraiser of Louvre artworks. At some point in the future, the long-lost "Mona Lisa" will be exhibited in Tokyo again. In order to ensure the safety of the exhibits, Riko and the co-researcher of the National Museum of Ethnology, Ryusenji Misa (Hatsune Eriko), are trained by Richard Paulet (Pierre de Ladonchamps). Who knows that in the process, Riko seems to be cursed by the mysterious light in Mona Lisa's eyes, and her once proud appraisal ability suddenly disappears. Weekly reporter Ogasawara (Matsuzaka Tori), who is worried about her safety, tries to rescue her, but discovers the secrets hidden behind this series of events... This film is adapted from the original work by Keisuke Matsuoka.