Retribution Clause (World of Kate Daniels, #6.7)

Short story in Hex Appeal anthology, and also in the Small Magics anthology.

Saiman's cousin, Adam—a frost giant and also an insurance adjuster—and his enigmatic partner, Siroun, set out on an impossible mission to enforce a client's Retribution Clause; that is, to kill the person who killed her.

This story was included in Hex Appeal and Small Magics.