After the theft of Mrs. Pynchon's dog Barney, the Tribune looks into the underreported problem of dogfighting. Rossi goes undercover to catch an interstate dogfighting ring.
On Christmas Eve, an elderly man's bagpipe playing is considered a public nuisance. A pair of teenagers steal a delivery truck containing radioactive material. A nervous man is desperate to cover up the smell of perfume on his clothing. A resident from a soon-to-be-closed retirement home buys a Christmas tree, but doesn't have the means to deliver it from the tree lot. A mentally unstable man becomes a sniper after committing an armed robbery.