Rumorville:  Carly finds out about Brenda's baby, which she believes to be Dante's.  (Dante and Brenda may just have to allow her to keep believing that, causing problems for Dante and Lulu.)
Michael comes to Abby's rescue when someone attacks her; his violent reaction does not go unnoticed by Abby and she begins to put two and two together about what happened to him in prison.

Suzanne may not be as trustworthy as she lets on.

Expect Laura's name to come up several times...she may need to return for Luke's sake due to legal issues, but if so, expect her to be caught up in Aiden's paternity reveal down the road.  Gossip has it that this may not be as brief as her previous returns--instead her appearances could be intermittent.