He hired her to follow the rules. She’s about to break them all.Nathaniel Carter built his billion-dollar empire with three things: control, calculation, and cold detachment. As a single father to a brilliant but emotionally distant five-year-old daughter, he lives by structure until a spirited, curvy nanny with zero filter storms into his life and flips it upside down.Riley Monroe isn’t intimidated by money, suits, or Nathaniel Carter’s icy rules. She’s just here to care for his daughter and keep her life and her little brother afloat. But there’s one catch:No personal involvement.No emotional attachment.No falling for the boss.It’s all spelled out in the contract.Clause Four: No mixing business with pleasure.But what happens when a single touch ignites something they can’t deny?And when secrets from Riley’s quiet life threaten to collide with Nate’s empire, will breaking the rules mean losing it all or finally finding everything?

A billionaire boss. A loyal assistant. One accidental Vegas wedding that turns their world upside down. Grayson Astor is Manhattan royalty CEO of the Astor Foundation, heir to a legacy built on power, perfection, and ruthless control. Sloane Mercer is the assistant who keeps his empire running with color-coded calendars, strong coffee, and a smile that hides her scars. She's sweet, sharp, and off-limits until one impulsive night in Las Vegas changes everything. They wake up married. What starts as an inconvenient mistake quickly turns into a calculated arrangement: stay married for one year, protect the Astor name, and keep the media at bay. But what neither of them counted on was how real it would start to feel or how dangerous it would become. Because someone is watching Sloane. Grayson’s past won’t stay buried. And when secrets from inside the Astor family begin to surface including a woman who vanished and a man who was supposed to be dead Sloane must decide if love is worth risking everything. They were supposed to fake it. They didn’t plan on falling. But the clock is ticking and if they don’t untangle the lies before midnight strikes, someone won’t survive.

He’s dangerous. She’s desperate. And their collision will burn everything in its path. When Ava Carter accepts a mysterious nanny position in Italy, she’s running from a life of broken promises and buried pain. She never expected to land in a fortress-like villa owned by Vincenzo Moretti a cold, possessive billionaire rumored to have blood on his hands. His son is silent. His rules are absolute. And his eyes burn with something she can’t name. Vincenzo doesn’t do softness. Not after the betrayal that left him widowed and hardened. But Ava’s presence threatens his control, unraveling the walls he’s spent years fortifying. As secrets unfurl and enemies close in, Ava finds herself caught between the man who owns the shadows and the truth that could destroy them both. In this world, love is dangerous. But sometimes, danger is worth the fall. The Billionaire's Nanny is a dark, obsessive billionaire-mafia romance with high stakes, slow-burn heat, and a love story that will leave you breathless.