Orphan Xu Haitang suddenly awakens the supernatural ability to understand all things in the ocean while in a desperate situation, forming bonds with spirit pet Little White Dolphin, Deep Sea Eighth Master, and Scarred Giant Shark. Relying on her extraordinary tidewater-gathering skills, she makes a comeback against the wind, teaming up with business tycoon Lu Yanci to venture into the sea for wealth, punish wicked people, protect her close grandmother, and finally settle down, build a career, reap a good relationship, and possess the wealth and sincere heart of mountains and seas.