Help understanding Alma Orson story line

The opening scene involving Orson and Alma in S3 makes it seem Orson was a controlling and abusive husband who kept Alma in a cage just like her bird. But later reveals in the season made it clear it was Alma and Orson's mother who were the bad guys. So how does this montage make sense? Why did Alma seem afraid of Orson and why did she try to leave in secret because it seems Orson would have liked her to leave as well since he was never in love with her