Is this a good plot? (It's only part of the plot)?

Question

The sword hidden by protagonist’s mother is not in the place she planned. The protagonist needs to find it and slay one enemy to receive the magic powers so that he find the one person who can help him control them. But who is this person? He researches all kinds of places. He can’t find the sword anywhere. Moreover, wherever he goes, he feels random flashes of pain. His friend is being possessed, but the protagonist doesn’t know it.

Answer 1

You should not put your writing on a public board like this. Other, unless you don't mind if someone steals your idea.

Answer 2

You've captured my attention, keep going !