Kujaku no Dance, Dare ga Mita?

A former cop was murdered on a snowy Christmas Eve night. The suspect was arrested & the case appeared to be closed.

However, a letter left by the murdered former cop to his daughter sets the case back on track. It said, "If any of the following persons are arrested or prosecuted...they are falsely accused." And on that list was the name of the suspect who was arrested for killing her father...