Riko, who will begin university in Tokyo in spring, journeys there from Hiroshima in February with her father to find a place for her to live. On their travels, they meet various colorful characters. The father remembers his late wife, and raising his daughter alone. Their fun time together is tinged with the knowledge that it is about to end. Rakugo performer Kyotaro Yanagiya appears in his first leading film role, and rising star Anna Ishii plays the sensitive Riko. The eccentric supporting cast includes Romi Park, Akihiro Kakuta, Keiko Yanagawa, Kei Ishibashi, LaSalle Ishii, and Momiji Yamamura.

The giant monster Raiga returns, rising in Atami Harbor and attacking the city. A second kaiju, Ohga, soon joins the chaos, and the two monsters clash, destroying large sections of the city. Defense forces launch two new weapons, the giant tank Kamikaze and the drill tank Gokumei, to meet the the monster invasion head on. But as the beasts work their way to Tokyo, will they be enough to stop the monsters from laying waste to the city?

Movie theater Asahiza has existed for almost a 100 years in Minamisoma, Fukushima Prefecture. Unlike other theaters, Asahiza plays old films and doesn't get a lot of customers. The manger of Asahiza, Yasuzo Morita, finally decides to close down the theater. When he is about to burn the old 35 mm films, a young woman named Rika Motegi suddenly appears and tries to stop him. Rika Motegi came to Minamisoma from Tokyo to save Asahiza.

Every year on the fourth of January, Shobei's soba restaurant serves "Sanada Soba"; soba noodles topped with grated spicy daikon radish. Even regulars refrain from coming to the restaurant because of the extra spicy soba. But on year, a stranger comes in and finishes the bowl, announcing that it tastes familiar. The man begins to visit every year on the 4th of January to eat Sanada Soba. Shobei develops a warm feeling towards the peculiar customer he interacts with once a year.