The Locksmith's Hammer

At 8:00 AM sharp, a white service van pulled into the driveway.
A sturdy locksmith named Miller set to work on the front and back doors, replacing the traditional brass deadbolts with high-security electronic smart locks keyed only to Hannah and Greg’s biometrics and personal encrypted fobs.
Hannah stood on the porch holding Clara, breathing in the crisp, ozone-rich air of the post-rain morning. The neighborhood was quiet; yellow school buses rumbled down the distant main avenue.
As the locksmith drove away, a familiar black Mercedes SUV screeched to a halt at the curb.
Penny jumped out from the driver’s side. She hadn't bothered with makeup; her bleached hair was pulled into a haphazard clip, and she wore expensive designer sunglasses despite the heavy overcast sky.
"Greg!" Penny shouted, storming up the stone walkway toward the porch. "Greg, I know you’re in there! Mother told me what she did!"
Greg stepped out of the front door, closing it firmly behind him so the click of the new magnetic lock echoed across the porch. He stood at the top of the three wooden steps, his hands in his pockets, looking down at his sister.
"Penny. Stop screaming," Greg said evenly.
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"Stop screaming?" Penny gasped, pulling off her sunglasses to reveal rimmed, furious eyes. "My power was cut off this morning for three hours because the account was overdrawn! You humiliated Mother! You let this... this woman lock you out of your own money!"
"Hannah didn't lock me out of anything, Penny," Greg said, his voice calm, steady, and devoid of the frantic apology that had defined his interactions with her for years. "Hannah and I made a joint decision as husband and wife."