I bought my parents a $425,000 seaside mansion for their 50th anniversary,

I bought my parents a $425,000 seaside mansion for their 50th anniversary, but when I arrived, my mother was crying and my father was shaking. My sister’s family had taken over, and her husband pointed at the door, shouting, “This is my house, get out!” Then I walked in.
I bought the house quietly, the way my parents had lived their whole lives.
No announcement. No party with photographers. No dramatic speech about how their youngest son had finally made enough money to repay every sacrifice. Just a cream-colored seaside mansion in Newport, Rhode Island, with blue shutters, a wraparound porch, and the Atlantic glittering beyond the dunes.
The deed was in my name, but the house was theirs to live in for the rest of their lives. That was my gift for their 50th anniversary.
My mother, Helen Whitaker, had cried when I handed her the keys. My father, George, had just stared at the ocean from the porch with his mouth slightly open, his old hands gripping the railing like he was afraid the whole thing might vanish.
“You already gave us enough, Ethan,” Mom whispered.
“No,” I said. “You gave me enough.”
For three weeks, everything seemed perfect.
Then my sister, Vanessa, arrived with her husband, Craig, and their two teenage sons.
At first, Mom sounded happy on the phone. “Your sister wants to stay for a few days,” she said. “The boys love the beach.”
A few days became two weeks.
Then Mom stopped calling.
When I called her, she answered in a whisper.
“Ethan, honey, maybe you should come.”
That was all she said before the line went dead.
I drove from Boston that afternoon. As I pulled into the long stone driveway, I noticed Craig’s black pickup parked crookedly in front of the garage. Beach chairs, coolers, and dirty towels littered the porch. One of the front windows had a crack in it. Music thumped from inside.