Yaku: water; aya: essence, blood. Yakuaya is a non-verbal documentary about the descent of water and life that follows the journey of a drop of water from its birth on a glacier until its arrival at the sea. Along the way, water influences the life of a peasant, locks himself in the rhythm of a bottling factory, brings people together in the city, transforms the life of a woman, leads a river navigator, awakens hope in a desert and welcomes the innocence of two children in the sea.