Mary's new witness, a former hit man with a penchant for explosives, falls in love. Mary has high hopes for the romance, but her optimism quickly turns to concern after the man is dumped. He's also bullied by a local politician and considers taking drastic actions to vent his frustrations.

Agent Faber pairs Mary with a new witness who was involved in a mortgage-fraud scheme for a gang. Mary distrusts the woman, but Faber also seems to have ulterior motives during the case: namely, pursuing Mary.