The Siege of Ueda Castle (S01E03)

Upon hearing that Mitsunari Ishida has rallied his forces, Ieyasu Tokugawa determines to advance his large army toward Sekigahara to confront him. Meanwhile, Nobuyuki Sanada, having separated from his brother Yukimura prior to this conflict, must enlist in the battle as part of a distinct unit led by Ieyasu's son, Hidetada. This division creates a challenging situation for Nobuyuki as he navigates the complexities of war while striving to support his family and their cause.