I watched a Senator murder my sister. Now his assassins are hunting me. My only escape? Hiding as a nanny in a billionaire's mansion.But the man who hired me is more dangerous to my heart than any killer. Three months ago, I was Ivy Martinez a nobody server who witnessed the impossible.Senator Marcus Blackwell executing my sister in cold blood.Now I'm Emma Clarke. Fake name. Fake past. Real terror every time a car follows too long or footsteps echo behind me.I'm broke. Desperate. One job posting away from sleeping in Central Park: Live-in nanny needed. Immediate start. Discretion required.I walk into Dominic Cross's office planning to lie my way to safety. What I don't plan on? Him. He's a billionaire single dad drowning in grief.His wife died three years ago and took his soul with her. His six-year-old twin daughters have driven away nine nannies because they're not difficult they're shattered. And he works sixteen-hour days to avoid the family he can't face without breaking. I should run. I'm a weapon. Everyone I love dies. But that first night, I hear his daughters screaming. Nightmares. Terror. I find him frozen in their doorway, this powerful man completely destroyed by his own children's pain.Something in me breaks. Or heals. I can't tell anymore.I push past him. Hold the girls he can't touch. Whisper promises I can't keep. Show him how to be the father they're dying for.And God help me, I stay. I'm falling in love with a man who doesn't know my real name.With daughters who hold my hand and beg me never to leave.With a life built on lies that's the first true thing I've ever known. Then Blackwell's men kick down the door.Glass shatters.Bullets fly.I throw myself over the girls while Dominic picks up a gun with shaking hands.Blood stains marble floors.The monster who killed my sister is coming for everyone I love. My choice is brutal: Run and save myself.Or stay and fight for the family who saved me first. Perfect for readers who love: ✔ Billionaire single dad romance with real emotional depth✔ Grumpy/sunshine forced proximity that burns slow then explodes✔ Protective alpha heroes who would kill to keep their family safe✔ Strong heroines running from danger but refusing to run from love✔ Twin daughters who steal scenes and hearts✔ Witness protection meets forbidden nanny romance✔ Romantic suspense with pulse-pounding action✔ Healing trauma through found family✔ Enemies hunting, lovers protecting, children healing✔ HEA guaranteed after danger, tears, and epic love declarations This book Contains a broken billionaire learning to love again, twin girls who weaponize cuteness, a nanny with a gun and zero plans to use it (until she does), protective alpha moments that'll melt your kindle, romantic suspense that'll keep you up past midnight, and an HEA worth every dangerous moment. Standalone billionaire single dad protector romance. No cheating. No cliffhanger. Just danger, healing, and a love that refuses to break even when everything else does. Scroll up and one-click your next emotional binge-read now.