Summer in Closed Eyes is the journey of the girl named Ha (Summer), played by Phuong Anh Dao. The story begins when Ha is coming to the town of Higashikawa, Hokkaido, Japan to find her father (Cong Ninh). She explored the snow-capped region in summer, where her father lived for a long time and here she met the Japanese guy – Akira (Takafumi Akutsu).