Chapter 3 - Unmasking the Mistress

The next morning, the sun rose over the Hamptons with a brilliant, mocking clarity. Claire sat on the terrace, enjoying a cup of fresh espresso. She had already contacted her attorney, Marcus Vance—no relation to Brooke—who was one of the most formidable divorce and corporate lawyers in Manhattan.
"We have them by the throat, Claire," Marcus had told her over the phone. "But we need to secure the board's support before Nathan tries to liquidate his assets. If he senses he’s losing, he might try to wire the remaining capital overseas."
"He won't do that yet," Claire replied. "Nathan's ego is too large. He still thinks he can lie his way out of this. He’ll try to prove the children are his, or at least find a way to discredit the medical records."
"And what about Brooke?" Marcus asked. "If those children aren't Nathan’s, whose are they? We need that leverage. If we can prove she deliberately defrauded him and the company, we can completely destroy her credibility in court."
"I’m already on it," Claire said.
Two hours later, Claire met with Julian Thorne in a quiet cafe in Dumbo, Brooklyn. Julian was a private investigator she had hired six months ago when she first suspected the depth of Nathan’s financial betrayals.
"You were right, Claire," Julian said, sliding a thick manila envelope across the table. "Brooke Vance isn't just an opportunistic assistant. She’s a professional."
Claire opened the envelope. Inside were surveillance photographs of Brooke meeting a tall, athletic man in his late twenties at a gym in Tribeca. They looked incredibly intimate—kissing in the parking lot, holding hands in a secluded corner of a restaurant.
"Who is he?" Claire asked.
"His name is Tyler Vance," Julian revealed.
Claire raised an eyebrow. "Vance? They have the same last name?"
"They’re married, Claire. Or rather, they were married, and never legally divorced. Tyler is a personal trainer. He’s also the biological father of both children. I managed to get a DNA sample from Tyler’s discarded water bottle at the gym, and comparing it to public birth records of the kids... it’s a perfect match."
Claire let out a breath she hadn't realized she was holding. A cold, cynical smile touched her lips. "So Brooke never divorced him. She kept him on the payroll."
"Exactly. Tyler’s lifestyle is entirely funded by Brooke’s 'salary' from Whitmore Holdings. Nathan’s company has been paying for Tyler's luxury apartment, his sports car, and his gym memberships. Brooke set Nathan up from the very beginning. She knew he was desperate for an heir because of his father's trust stipulations. She targeted him, got hired as his secretary, and when she got pregnant by her actual husband, she told Nathan it was his."
"And Nathan, in his supreme arrogance, believed he was a virile god who had finally triumphed over his 'barren' wife," Claire whispered. The irony was poetic. "What about the second child?"
"Same story. Tyler is the father. They’ve been running this scam for years, treating Nathan like a personal ATM. If Nathan ever figured it out, Brooke had enough leverage on his corporate tax evasion to keep him quiet. But she didn't count on you finding out first."
Claire closed the folder. "Does Tyler know about Nathan’s infertility?"
"No. Tyler thinks Nathan is just a rich, dumb mark who thinks he’s the father. Brooke kept both men in the dark about the medical reality to keep the gravy train rolling."
Claire stood up, slipping the envelope into her bag. "Thank you, Julian. This is exactly what I need. Keep monitoring them. I want to know the exact moment Brooke tries to contact Tyler today."
"You got it, Claire. Oh, and one more thing—Nathan has booked an emergency appointment with an independent fertility clinic in uptown Manhattan for this afternoon. He’s trying to disprove Dr. Bennett's findings."
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Claire smiled. "Let him. The truth is a stubborn thing, Julian. It doesn't change just because Nathan Whitmore demands it."
As she walked back to her car, Claire felt a profound sense of liberation. The years of quiet humiliation, of listening to Margaret’s snide remarks and watching Brooke parade around her home, were finally culminating in a beautiful, calculated justice. She was no longer the victim. She was the architect of their ruin.