Euthyphro is prosecuting his father for murder after his father left a hired worker in a ditch to die after arresting him. [1] Socrates questions Euthyphro on what holiness is, and Euthyphro provides two flawed definitions before they realize the fundamental issue is determining what makes something approved by the gods in the first place. [2] Their discussion highlights the difficulties in defining concepts like holiness and justice. [3]