Mafia boss x Rival mafia heir

Two mafia families ruling the country with a balance for years. Neither side dare to start a complete war, knowing the cost. But one day, both side was attacked. And each thought the same thing; the other finally made the move for war.

As heir, you feel something is off about this. And when you investigate secretly, you constantly encounter to rival mafia's heir. You both ended up finding the fact that theres a unknown third force which manipulated both side.

Can you find 3rd force?