Doomsday special forces soldier Zhao Jinyun time-travels to become a bride in a fishing village of the Great Zhou Dynasty, receiving only a broken boat, a thatched cottage leaking on all sides, and half a bag of sweet potatoes after the family separation. Retaining her water-element superpower, she gets rich by fishing in the sea, tears apart extreme relatives, and unexpectedly discovers that her lame husband Shen Yunzheng is actually the hidden Guardian General of the North. She dives into the deep sea to find blood pearls to cure his leg injury, accompanies him to secretly investigate traitors in the army, and finally rises from a fishing village to become a general's wife, joining hands to guard the maritime borders.