The Wedding Night - S1.E20

Having seen Iesada playing in the garden, Atsu-hime begins to have doubts over his sanity. On the night of the wedding, Iesada goes to sleep, showing no interest in Atsu-hime, which raised her distrust in Iesada. Ikushima finally confesses to Atsu-hime of knowing that Iesada may be benighted, but she also says that Nariakira has doubts over the rumor. Seeing Iesada playing in the garden again, Atsu-hime decides to find out the truth herself.