Five-year-old Shellie is familiar with the sea and exceptionally sensitive to the movements of fish in the ocean, but she was left alone on a desert island by her biological parents. Sean, a poor fisherman, accidentally rescues the helpless Shellie and decides to take good care of the child despite his tight finances. April, a kind and independent woman, feels sorry for Shellie's experience and chooses to stand by Sean's side. The three of them face neighborhood disputes and family conflicts one after another in daily life, protecting and healing each other. Shellie slowly opens up under warm companionship, and the whole family relies on hard work to build and run their ordinary but happy life together.
