Deep Sea of Tree

The story follows Sachiko, who is devastated by the sudden death of her sister Nobuko, a newspaper employee. As she delves into Nobuko's tragic fate, she enlists the help of Ryoichi, a journalist and colleague of her sister. Together, they uncover a labyrinth of mystery surrounding Nobuko's death and the troubling circumstances that follow.

Deep Sea of Tree features a notable cast, including Keiko Kitagawa and Osamu Mukai, who bring depth to this emotional narrative. The film's themes of grief, betrayal, and the quest for the truth resonate well within the mystery genre, appealing to fans of complex storytelling.