She is a powerful pearl merchant, obsessed with finding rare red pearls controlled by her rival. What she doesn't know is that these pearls are formed from a boy's blood when it touches water... and that boy is her competitor's son. As her search pulls her closer to him, the line between ambition and humanity begins to blur...because the rarest treasure she seeks is also the one being destroyed. Tropes : Reverse age-gap ,pearl merchant x pearl boy ,Shy x grumpy ,human x living relic ,rivals to lover ,Human x ocean-blooded .