Ice Cream Fever tells a story of four women, whose ages range from their teens to thirties, and their lives intersect by an ice cream shop. Natsumi Tsuneta (Riho Yoshioka) is in her late 20's and has given up on her dream. She works part time at an ice cream shop. Saho Hashimoto (Serena Motola) is in her early 20's. She is too timid to take a step forward in her life. She is a writer and a regular customer at the ice cream shop.Takako Kuwashima (Utaha) is in her late teens and she doesn't even know what love is yet. She works part time at the ice cream shop with Natsumi Tsuneta . Yuu Takashima (Marika Matsumoto) is in her late 30's. She carries pain in her mind and she feels worthy of life when she works. Yuu Takashima goes to a public bathhouse, located near the near ice cream shop.