Detective Andrea Watson and FBI Agent Fletcher Peterson watch ice blocks being cut from a local lake for the St. Paul Winter Carnival Ice Palace. When body parts are discovered in a couple of the blocks, the two form an alliance to find a serial killer.

It's not a simple case as Andrea has to deal with a misogynist team leader and a persistent reporter. Andrea and Fletcher travel south, following the killer's trail. The closer they get to the killer, the situation becomes a race against time when the dogged reporter goes missing.