It's been revealed that Kozo has a secret child! When Kurisu asks for an explanation, Kozo reveals that the woman is a former hostess, Nakajo Mikiko, who is currently recuperating at a hospital in Maebashi. Kurisu visits Mikiko with Kozo, and learns from her about her son, Koichi, who is a university student. Learning the situation, Kurisu offers to help Mikiko on her behalf, further strengthening the bond of trust between Kozo and Kurisu. And their son, Koichi, is also fascinated by the world of racehorses. Meanwhile, Kozo's wife, Kyoko, who is not at peace with herself, takes action. Meanwhile, Royal Hope and jockey Ryujiro, who won their debut race, are on a roll, and Team Royal decides to enter the Japanese Derby...
