Dylan Baker and Julianna Margulies Dylan Baker and Julianna Margulies

Last week, The Good Wife entered an ethical grey zone while defending one of her biggest clients — drug kingpin Lemond Bishop. Alicia's morals will get quite the workout once again when another of her most noted clients — millionaire (and murderer) Colin Sweeney — returns in the March 31 episode of the CBS legal drama (Sundays at 9/8c).

The Good Wife spoiler photos: Get a sneak peek at what's ahead

In these first-look photos from two-time Emmy nominee Dylan Baker's return episode, Colin Sweeney is in danger of going to jail for life because of an impending Supreme Court ruling. Can Alicia (Julianna Margulies) and Will (Josh Charles) keep Colin out of the clink? Or will the feisty and flirty prosecutor Laura (Amanda Peet) successfully send him away? And why does Diane (Christine Baranski) look so darn happy?

Check out the latest sneak peek photos to find out! The Good Wife airs Sundays at 9/8c on CBS.