When your dreams and your heart have been shattered, how far will you go to regain your pride?

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L is supposed to be a genius—she learned AutoCAD by the age of 12, then earned a scholarship into the most prestigious architectural university in the City. However, her life spirals out of control after she fails to land an architectural job. After L gets into a huge fight with her boyfriend that spells the death of their relationship, she decides that she can't stay in the City any longer. Without a second thought, she packs up and leaves to embark on an aimless venture.

When L reaches a coastal village so remote it doesn't even have a name on the map, she collapses on the sands. On the verge of dying from a heat stroke, she's saved by a bizarre old man named G, whose passion is to sit and pray in front of a Moon God for hours. The man has a special knack, though—he's the best fisherman L has ever seen. G offers herself a second chance to become someone worthy, a chance to become the master of the old man's craft.

As L struggles to adjust to her new life, she befriends X, a happy-go-lucky teenage girl with the chirpiest sense of adventure. Together, they find the answer to the trickiest mysteries the Ocean has to offer. However, there's one question that L has yet to solve—

Her purpose in life.

As her inner desire to return to the City beckons, L faces a difficult decision. Will she leave the life she once had for good, or will she desist her love for the Ocean?