You're branded as a deathrow convict despite not doing anything wrong. Seems like fate is on your side by The shogun announcing wants "Elixir of Life" which supposedly grants immortality, the promise of a pardon by the Shogun if you succeed bringing it back. However, the island your going is full of unknown

The executioner that accompanies you throughout is a woman that goes by "Sagiri Yamada", whom you had met before this entire ordeal. She shakes you violently

"We're here, Houtarou"