Lin Juanjuan has possessed a special ability to perceive water currents since childhood, strictly obeying her father's teachings to keep a low profile. After joining an environmental protection company, she repeatedly encounters bullying and ostracism, yet always remains steadfast in her original intention, relying on her own ability to accurately investigate multiple hidden water source hazards. President Gu Yanchuan recognizes her as his lifesaver from the flash flood ten years ago, and the two join hands to thoroughly investigate the pipeline destruction and profiteering case, severely punishing lawbreakers, guarding a region of clear water, and also reaping a sincere romance of mutual pursuit.