Chris Messina joins the series as Detective Richard Willis, and Deadline tells us Willis and Preaker put their heads together to solve the mystery as well as unearth some other personal feelings along the way.
For Adams and Messina, it will be their first collaborative project together since they played a couple in Julie & Julia.
The victims, two preteen girls, strike an emotional chord with Camille, who may be getting too close to the situation.
Sharp Objects centers on reporter Camille Preaker (Amy Adams), who is fresh off her stay at a psychiatric hospital and is assigned a murder investigation in her hometown.