Episode 4

Yongmon decided to use cannon to crush the enemy forces of the Seokdang family and make a name for himself.This bloody battle surprised many.Lord Omi was the only one who stood by Nagato, something his father Yabushige was shocked about because it destroyed the secrecy of his strategic plan.Blackthorne is training a force as part of an agreement he made with the Tokugawa clan, but the Tokugawa clan doesn't appear to be keeping their end of the bargain, leaving him confused and disappointed.Blackthorne was given their own home and a companion, Fuji, but they were not happy with the arrangement.They eventually compromised by exchanging gifts, but their relationship remained complicated.

Lady Mary's feelings for Blackthorne fluctuated, and she was initially angry at him for prioritizing disputes over Catholic interests.Mariko's feelings for Blackthorne change and when she sees his naked body, she becomes attracted to him.

They sat back-to-back in the spa, and through tender, sultry conversation he described an evening in London to her and praised her resilience.This dialogue reinforces a more intimate feeling between the characters.Finally, Mariko sneaks into Blackthorne's bedroom at night and takes the initiative.He was shocked by her behavior and seemed to think he was having an erotic dream.Before that, Mariko quoted the dialogue of the Tokugawa family and explained the concept of the eight-fold wall, indicating that the Japanese have built an impenetrable psychological and emotional defense line in their hearts.