Kenda finds the bullet-ridden bodies of a middle-aged couple in a musty suburban house alongside the corpses of their two beloved pets. But the case is stuck in neutral until detectives discover an essential clue hidden behind an old wire birdcage.

The murder of a young father stuns his close-knit community, but the investigation reveals a neighborly dispute turned deadly. Then when a house is besieged by mysterious gunfire, Kenda enlists a team of specialists to trace the bullets' origin.