Molly loves searching for sea glass at Gram's cottage. Each morning after breakfast and tea, they wander the beach together, searching under driftwood, in between pebbles, and in the surf for these ocean treasures. That is, until the day the moving truck comes. Suddenly Molly finds herself spending autumn, winter, and spring in a faraway city. When a surprise parcel arrives from Gram, Molly wishes with all her might for another sea glass summer...