Inland Sea is a novel that tells the story of a young woman named Kazu who lives in a small fishing village in Japan. She is struggling to come to terms with the loss of her brother, who disappeared at sea years ago. Kazu spends her days working at a local inn and caring for her aging mother.
One day, Kazu meets a mysterious stranger named Shozo who claims to have known her brother. Shozo tells Kazu that her brother is still alive and living on a remote island in the Inland Sea. Fueled by hope and desperation, Kazu decides to embark on a journey to find her long-lost brother.
As Kazu navigates the treacherous waters of the Inland Sea, she encounters a cast of characters who help her along the way. Through her journey, Kazu learns about the power of love, forgiveness, and the strength of the human spirit.