Blue roses are a rose variety that does not exist in nature. In just a few days, two people announced the successful cultivation of blue roses: Pastor Cleveland harvested "Celestial" through hybridization, and Professor Tenniel used new genetic technology to cultivate "Deep Sea". In view of the extremely harsh conditions for the birth of blue roses under natural conditions, the professor questioned the priest's results.
After the investigation of the "jellyfish ship" case was completed, the temporarily idle police officers Maria and Ren Kujo accepted the investigation of Professor Tenniel. Shortly after they came to the door, the professor died in a greenhouse that was like a secret room. The academic dispute over Blue Rose actually hides an unimaginable tragedy...
