Orphaned fisher girl Mara Lane is killed by a greedy boss. Reborn, she has a hairpin from the Dragon King's daughter that draws fish. She severs kinship ties, vowing to pay back fees, redeem her home, and bring back her brother. Uncovering her father's shipwreck truth, Mara takes down deep-sea fishing tycoons, proving: kindness is not weakness, it is why the sea chose her.