Hinako Mukaimizu is a free-spirited college student who finds joy in surfing and the ocean. She lives in a coastal city and doesn't give much thought to her career prospects. One day, a fireworks accident sets her apartment building on fire, and she is saved by a skilled firefighter named Minato Hinageshi. After their chance meeting, Hinako is drawn to Minato's dependable nature and desire to help others, while he is intrigued by her passion for surfing. As Hinako teaches Minato how to surf, the two fall in love and develop a deep bond. However, their carefree surfing lifestyle takes a serious turn when Hinako experiences a life-altering accident. Unsure of her future, she embarks on a journey of self-discovery, with Minato by her side supporting her every step of the way. Together, they navigate the unpredictability and danger inherent in their shared love for the ocean, and Hinako searches for meaning and direction in her life.