From the series: The Apex Trilogy

Apex Directive

Some bonds can't be engineered. And some can't be broken.

About

 He was built to be the perfect weapon. She is the archive of her people.

Cade doesn't feel. Three generations of genetic engineering saw to that — stripping out hesitation, doubt, and every inconvenient human impulse that gets soldiers killed. As one of the Apex Ten, he is UTC's most lethal asset. He doesn't form attachments. He doesn't ask questions that aren't mission-relevant.

Then Kaelith'ra walks into his life and changes everything.

The Sythrani princess shouldn't be here — surrendering herself to humanity's military, asking specifically for a monster to protect her. But she's carrying intelligence that could end the seventy-five-year war against the Scourge Sovereignty, and the enemy knows. They're coming for her. Fast.

What starts as a protection detail becomes something neither of them has the language for. She's a telepath. He's been engineered to have no inner life worth reading. And yet she keeps finding things inside him — buried things, dangerous things — that the Titan Initiative swore it had cut out.

The Scourge is closing in. Command is watching. And the bond forming between a weapon and a archive isn't just forbidden — it's permanent. Irrevocable. The kind of bond that rewrites history itself. 

Trailer