خلاصه داستان : سریال داستان “یونگ جون” یک جوان سردرگم است که در نگاه اول عاشق “یو روم” دختری ناشنوا می‌شود. او با زبان اشاره به “یو روم” نزدیک می‌شود. در این بین، “یو روم” که تمام زندگی‌اش را وقف خواهر شناگر ...

26-year-old Yong-jun hasn’t quite figured things out yet – but when he reluctantly agrees to start working part-time for his parents' lunchbox shop, a chance encounter suddenly breathes new life and possibility into his summer. Making a delivery to a swimming pool, he meets and immediately falls for Yeo-reum: the sunny and devoted sister to Ga-eul, a gifted swimmer who is deaf and training to qualify for the Olympics. The two sisters communicate in Korean Sign Language, which Yong-jun is fluent in too. Chasing his heart, Yong-jun sparks a journey of discovery in all three of their lives.