He was raised to inherit everything. She was raised to build beautiful things. Adrian Sinclair is the golden boy of the elite. Charming. Talented. Untouchable. The heir to an empire that spans the globe. On the surface, he has it all. But his brother vanished seven years ago. And no one will tell him why. Rhea Cali doesn't trust people like him. She's seen what wealth does to people. She knows how the elite treat those they consider beneath them. And Adrian's friends are the worst kind of arrogant. Paired together for a semester project, they clash at every turn. She thinks he's entitled. He thinks she's judgmental. The tension is unbearable. The arguments are constant. But somewhere between the late-night study sessions and the impossible debates, something shifts. Then Rhea travels to Spain for an architecture gala. And she walks into a restaurant and comes face to face with the brother Adrian hasn't seen in seven years. Christian Sinclair is terrified. And he needs Rhea to listen. Now she's caught between protecting the boy she's falling for and saving everyone she loves. Maura Sinclair is watching her every move. Sterling has eyes everywhere. And the truth about what the Sinclairs have been building for generations could destroy everyone she loves. She can't save everyone. She can't trust anyone. And when Adrian finally discovers what she's been hiding, he won't just hate his family. He'll hate her. Some secrets are built to last. Some are built to fall. The Architecture of Blood is a dark, slow-burn enemies-to-lovers romance about betrayal, impossible choices, and two people who have to survive each other to survive the truth.