Cherry Blossom Robe
The robe: Beckett gives Castle a little reassuring speech dressed in a beautiful white robe with floral print.
The episode: 7×23: Hollanders Woods – “In the seventh-season finale, a death occurs in the woods and Castle becomes obsessed with the case because it reminds him of a pivotal event in his childhood. Meanwhile, Beckett reaches a turning point in her life.”
Cherry Blossom Infinity robe
find it here