The story involves an Australian platoon in the Afghanistan war, forced to come home following the death of their leader. A murder mystery involving the now deceased Captain Ted Nordenfelt ensues.

A young gay artist, desperate to replace the relationship he had with his recently relocated godson, is targeted by a neighborhood mom as a potential threat to the community.

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.