In the Rain Country, Jiraiya decides to take care of three young orphans for a while. Yahiko, a spunky young boy, wants Jiraiya to train him, Konan, and Nagato to be shinobi, but it's not until he sees a strange phenomenon in Nagato that he decides to do so. What is the secret behind Nagato's Rinnengan eyes? What will become of these three children?