This week on Days of Our Lives, after discovering Gwen (Emily O’Brien) was still in possession of a Sarah mask and got rid of it, Xander (Paul Telfer) and Sarah (Linsey Godfrey) are on the case to prove her as Abigail’s killer. Xander goes undercover as a priest to get information on Gwen. Cassandra Relynn guests on the show in the role of Warden Pettibone who shares scenes with Xander and Sarah as they seek information about Gwen’s whereabouts on the night of Abby’s murder. Xander and Sarah will also strategize on how to get Ava (Tamara Braun) to flip on Gwen.

Check out the photos below to get a glimpse of what’s to come.

Photos: NBC