The Dinner Table Detective: 1x3

Here's a message from the dead File 2

While investigating the murder of a real estate tycoon, Reiko examines an erased dying message, a bloody trophy, and a cord yanked from the curtains. Without proof, however, she reaches a dead end…until savage butler Kageyama emerges to solve the mystery. Reiko and Kyoichiro think outside the box to trap the murderer, peek inside the victim’s mindset, and end a chain of events fueled by revenge.