Detective Anaís Mallory returns to Queenstown and takes on her first case: investigating a car that went over a cliff, but when the autopsy reveals that the driver has been dead for three days, Anaís realizes she's dealing with a homicide.
After secretly digging into the matter of her sister's death, Anaís tests the evidence she's unearthed by breaking a few rules; when a man's rat-nibbled body is found in an abandoned gold-mining tunnel, Anaís must figure out how he got there.