The Covenant House- Between the Wild Branches

"After a heartbreaking end to her friendship with Lukio, Shoshana thought she'd never see him again. But when, years later, she is captured in a Philistine raid and enslaved, she is surprised to find Lukio is now a famous and brutal fighter. With deadly secrets and unbreakable vows standing between them, finding a way to freedom may cost them everything"--