The Falconer Files Brief Cases follows DI Harry Falconer and DS Carmichael solving murders in and around Market Darley. Each story presents a unique murder mystery with a seasonal or thematic twist:

1. "Love Me To Death" - A young woman is found dead in her apartment on Christmas Day, just before her fiancé was to move in. What appears to be a mysterious death might be a tragic accident—or murder.
2. "A Sidecar Named Expire" - A Valentine's Day cocktail evening goes terribly wrong, leading to a death that requires Falconer and Carmichael's investigation.
3. "Battered To Death" - A murder at a local chip shop forces the detectives to cut their rest day short. They must determine if the killing is connected to unruly customers or someone closer.
4. "Toxic Gossip" - Falconer investigates harassment against Miriam Darling, questioning his judgment as he tries to protect her from anonymous threats.
5. "Driven To It" - A lunch reunion between old school friends Abigail Wentworth and gossip-loving Alison Fairweather takes a dark turn when a face from the past appears, sending Abigail's life spiralling.
6. "All Hallows" - On Halloween, a man is found dead with a hollowed pumpkin on his head and his shed destroyed. The investigation reveals a web of troubled relationships among neighbours.
7. "Written Out" - During the Christmas filming of antiques show "Get One Over" in Market Darley, one of the TV stars meets their end, pulling Falconer and Carmichael into the investigation.
8. "Death of a Pantomime Cow" - Falconer's Boxing Day theater outing with the Carmichael family is interrupted when tragedy strikes during the first act, forcing him back into detective mode during the holiday.