描述在戰國時代，日本成了鬼怪的天下，人類處處遭受迫害，因此有一群武士努力降伏魔怪，一心想要恢復人類的世界。受此影響，武藏和小次郎從小就對武士心懷憧憬，兩人約好長大後要一起組成最厲害的武士團為民除害。然而，在鬼怪的統治下，武士反被妖魔化，成為眾人唾棄的對象。在大環境不利於己的情況下，兩人要如何實現心中的夢想？

Between the mysterious Orient, the paradisiacal peninsula of Troia, the urbanity of Setúbal and the placid splendor of Alcácer do Sal, "Jogo Duplo" is a telenovela that will confront dysfunctional families, impossible loves and cultural differences, reflecting on the human condition in all its opposites.