We have a brand new exclusive clip from the upcoming In Plain Sight episode When Mary Met Marshall, which will air on Wednesday, April 7 at 10 PM ET on the USA Network. Click below for this exclusive clip, which features Mary's cranky interaction with witnesses and you can take a look at a new TV spot below as well.

A break-in threatens the security of the first witnesses that Mary and Marshall protected as a team.

The In Plain Sight episode When Mary Met Marshall will air on Wednesday, April 7 at 10 PM ET on the USA Network. The series stars Mary McCormack, Frederick Weller, Nichole Hiltz, Paul Ben-Victor, Lesley Ann Warren and Cristián de la Fuente.