Mary received huge news on the latest episode of In Plain Sight, but it's Marshall's reaction in the following preview that has us smiling.

On this Sunday's "I'm a Liver, Not a Fighter," the partners will deal with the fact that one of them is expecting, while also focusing on a terminally ill father who wants to reconcile with his kids.

Will it really be the most intense installment yet? That's what the USA narrator promises here:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.