Stairway to the Heavens Hyouge Mono : Season 1 Episode 3

After being invited to take tea with renowned tea master Sen no Soeki, Sasuke is challenged about his acceptance of a prized tea bowl in in in payment for allowing an enemy of Nobunaga to escape. Soeki allows Sasuke to become his apprentice in exchange for the tea bowl. Following this, Sasuke learns of Nobunaga's ambitions beyond the shores of Japan.