Masayuki is suspected of killing his ex-wife when the police find her dead. There was a message written in blood on her hand that put Masayuki at a great disadvantage. The only one who can vouch for his innocence with an alibi was Yuki-Onna, who was with him at the time of the murder. But there's no way he can let a yokai provide a statement for him. Yuki-Onna asks Kotoko for help to track down the real killer.
and you said, "My former 
colleagues were scared that
وقلت، "كان زملائي السابقون خائفين
könntest du sagen, deine alten Kollegen
hätten dir einen Mord anhängen wollen,
En disant à la femme des neiges
que vos anciens amis
avrebbe potuto dirle che i suoi ex soci, 
temendo di essere perseguitati
para dizer: "meus ex-companheiros temiam
que eu descobrisse indícios de corrupção
Вам будет достаточно сказать,
что всё подстроили бывшие коллеги,