"The Young and the Restless" spoilers for the upcoming week of Dec. 21 - 25, 2015 of the CBS soap opera indicate that Abby and Stitch will proceed with their plans of getting married despite Abby's recent discovery about Stitch's confession to her mother, Ashley. Will they make it to the altar? Plus find out more about Michael Muhney's interview and his reason for leaving Y&R in 2013.

Warning: Spoilers ahead! Read on if you want to learn more about the details of this story.

"Young and Restless" spoilers from Soap Central hint that Ashley will continue to venture on a partnership with Dr. Neville despite receiving countless warnings from everyone around her about the doctor. As seen on the latest episodes of the CBS soap, Ashley fainted and it seems like her aneurysm is back. Jack will be confronting Ashley over her deal with Neville, but Ashley will insist that there is no harm in doing business with him. Will Neville be able to save her or will it cause her harm?

Y&R spoilers from the outlet also note that Neil's actions from the past will continue to haunt him, as Gwen will threaten him about leaving her for Hilary. Neil is already considering his happily ever after with Hilary, but it looks like Gwen will not allow him to leave her alone.

Other Y&R spoilers from the outlet detail that Abby and Stitch will be exchanging vows on New Year's Eve, but it looks like the couple's happy marriage will soon be cut off short. Does this have something to do with Ashley?

Meanwhile, "Young and the Restless" spoilers and cast news from Celeb Dirty Laundry reveal Michael Muhney's reason for departing the soap opera in 2013. Back then, the actor who played the role of Adam Newman was said to have harassed a co-star, but it looks like Muhney suffered from a case of showbiz politics. Many fans were sad to see him go, but it looks like Muhney is no longer interested in going back to daytime soap anytime soon.

"The Young and the Restless" airs Monday to Friday on CBS.