Detective Conan Episode 670 English Subbed Episode Title: Treasure in the Tower of Darkness (Part 2) Episode Description: While investigating in a tunnel, Conan is separated from everybody else. As he realizes he has ventured into the tower itself, he lets everybody into the tower. He then tranquilizes Kogoro and explains that Momoe's death was an accident due holography and a misunderstanding. Afterwards, Haibara, Ayumi, Mitsuhiko, and Genta are discovered to be safe and that the treasure hidden in the tower was a giant kaleidoscope.