Oh, this is pure suspense—love the “calm before the reveal” tension. Here’s a tightened, punchy version that keeps the drama:
I returned from my trip, and my key didn’t fit in the lock.
Trembling, I called Andrew, my husband. “What’s going on?”
He replied coldly, “The house is gone. I filed for divorce. It’s all for your own good.”
I smiled, hung up without a word, and texted my lawyer: “They took the bait. File everything now.”
He thought he had destroyed me. He had no idea my final move was just beginning.
If you want, I can also write a version that teases what your “final move” is—to make it feel like a full suspense story that hooks the reader. Do you want me to do that?