'The Young and The Restless' Spoilers: Jack Confronts Billy

Jack is not very happy with Billy.

During the week of December 7-11, 2015 on The Young and The Restless, Ashley finally learns the truth about Jack and Marco, and an angry Jack confronts Billy. Check out more spoilers for the week below, and watch a sneak peek video of what's coming up.

* Victor has news for the Abbotts.

* Mariah worries about Sharon.

* Chelsea questions Sage about Adam.

* Jack confronts Billy about his union with Phyllis.

* Nick agrees with Sage.

* Marisa plays into Luca's hands.

* Ashley comes clean with Victor.

* Noah fights dirty.

* Adam confides his secret to Jack.

* Cane confesses to Devon.

* Dylan pulls out all the stops for Sharon.

* Lily plays with fire.

* Mariah reconsiders her feelings for Kevin.

* Nick inquires about Dr. Anderson's past.