What is the main conflict in Zach's Lie?

In "Zach's Lie" by S. A. Bodeen, the main conflict revolves around Zach, a boy who assumes a new identity after his father, a witness in a case against a dangerous criminal, is forced into hiding. Zach struggles with the challenges of living a lie, including adapting to a new environment and dealing with the constant fear of being discovered. As he navigates his dual life, the tension escalates between his desire for normalcy and the threats that loom over his family. Ultimately, the story explores themes of identity, trust, and the consequences of deception.