Kindaichi Shounen no Jikenbo EP29 - Ghost Ship Murder Case File 2

Kenmochi discovers that Captain Takamori and Navigator Wakaouji and were commanding officers on the Oriental cruise ship which sank after colliding with an oil tanker 3 years earlier. They were rivals but the collision ruined both their careers. That night, Wakaouji is poisoned and his body is thrown overboard. They find a suicide note in Morse code saying he has terminal cancer and that he killed Takamori and Mizuzaki. However when they rush to Mizuzaki's station in the wheel-house, they find Kanou dead there instead, poisoned from the steering wheel. Mizuzaki had apparently slept in that morning. Meanwhile, passenger Yu Tokihara decides to commit suicide and jumps from the ship, sending her regards to Captain Ghost. However, Hajime jumps in to save her.