Groper Train: Search for the Black Pearl

In 1934, the world’s largest black pearl disappears. Years later, Gohei, a dying war veteran claims to know the whereabouts of the coveted jewel. With his last breath, he utters the words “pussy print” to his wife Matsuko — and the mystery is on!

Unable to crack the mystery alone, Matsuko enlists the help of the world famous detective, Ippei, to decipher the cryptic message and track down the black pearl. However, when the investigation proves to be too complicated for even the talented Ippei to handle, the famous mystery writer Seicho Matsuki gets involved. The search turns into an all out free-for-all as each party sets its sights on the legendary black pearl.Who will find it first?