Banker Books in Order

The Banker series is a three-book crime romance that leans hard into manipulation, forced proximity, and a heroine who’s willing to walk into the lion’s den to save her family. It starts with Siena learning her father has been kidnapped—and the only way to get him back is to take down Cato Marino, an Italian power player who looks like a respectable banker on paper and acts like a ruthless king behind closed doors.

Siena isn’t sent in to gather a few details. She’s told to get close enough to ruin him from the inside. That means entering Cato’s world, living under his protection (and his suspicion), and using attraction as a weapon while trying not to get swallowed by it. The early tension is all about control: Siena needs Cato to want her, and Cato needs to know exactly what she’s hiding.

Cato’s home base is a fortress in Tuscany, which gives the series its claustrophobic feel. There are guards, locked doors, rules you don’t learn until you break them, and a constant reminder that if Siena fails, there’s no clean exit. Even when the story shifts into romance, the stakes stay concrete—someone’s life is on the line, and Cato is not a man you can simply “leave.”

Then the plot turns the screws. The second book pushes Siena deeper into captivity and consequences, and the third becomes a battle over trust: Siena wants a future that isn’t built on fear, while Cato has to decide whether he can let anyone close enough to matter. The romance doesn’t erase what they’ve done to each other; it forces them to live with it.

It’s a series where every secret costs something.

Siena is written as a survivor with a plan—she adapts fast, even when fear is the rational response. Cato is the kind of hero who’s equal parts charisma and menace, and the books don’t pretend his power is romantic on its own. The heat level is high, and the darker elements are part of the package.

There are also subtle threads connecting this trilogy to Sky’s wider universe, with familiar names and organizations crossing paths in the background. You don’t need to read anything else first, but it adds an extra layer if you like interconnected worlds.

If you want your romance dark, plot-heavy, and relentless about consequences, Banker delivers. Start with The Banker and read straight through—each book is built to pull you into the next, with escalating danger and very little downtime.