Newlywed Lala settles into a small coastal fishing village, seeing local women risking their lives from unplanned pregnancies. She invents a low-cost protective product made from fish bladders. She faces mockery from villagers, scolding from her father-in-law, and sabotage from jealous restaurant owners. She and her husband work to outsmart enemies, turn perpetrators to police, and lift fishing families out of poverty, building a prosperous future.