However, on the flip side, this just introduces Percy to a set of all new questions - such as who his dad is, and why it is that for some reason, everyone else in the camp knows who their godly parent is, but none of them (particularly those born after Percy) remember being able to see their parents, ever. This, and a few other situations, eventually leads him on a quest with Grover, and a new friend named Annabeth, daughter of