Set against the backdrop of rainstorms and floods, "Flood Path Coexistence" tells the story of Lin Yu and Su Ran supporting each other to escape from a dangerous building. After experiencing hardships, they reunite with their families and return home, rebuild their lives and confirm their feelings amidst neighborly assistance, and finally join hands to prepare for a wedding, while taking the lead in establishing a neighborhood mutual aid team, extending post-disaster mutual watch and help into long-term companionship. The six parts of the series connect hardship and hope, interpreting the bonds and warmth between people in the face of disaster, and conveying the core power of 'With you on the flood path, coexisting and guarding each other, walking warmly together'.