The Lost Heir

There's two children one boy and one girl even they are young they know what love is

They both fell in love with each other

Thought being a child they both understand each other

Thought being they are they inherent there parents genes

At the same time there parents engaged them into marriage that when they both have the right ages / legal ages they need to wed or rather marry each other.

They have both matured mind,good brains and talents.

But what if there's an accident that we'll make the boy lost his memories, and went missing what would the girl will do or rather the parent of the boy will do.

Will they find him and continue there plans.

Or

That plans will buried along side with the boy lost memories.