We get our first look at an important book character for William's character development in the Outlander season 7, episode 12 images. Take a look at what to expect in the new episode.

“Outlander” actor Charles Vandervaart talks William's struggle to cope with 'ultimate betrayal' ... Arabella (Silvia Presente), who he is intrigued and peeved by in equal measure.

William follows Arabella into her chamber, but there is confusion about what he should “wash up.” Rather than laugh off this naked faux pas, William overreacts to her calling him a gentleman.

Outlander Season 7 Episode 12 sees William spiraling after discovering his true parentage, while Jamie and Claire have it out. Read our recap.