$18. Through March 1. Thursdays and Fridays at 7:30 p.m., Saturdays at 5 and 8:30 p.m. When Gordon and Carmel move to Chicago, it's to do good: they're going to rent the soon-to-be-vacant apartment in their graystone to a low-income black family. But when this threatens to disrupt the lives of current tenants Erik and Nora, a power struggle between two married couples - one black, one white - erupts, calling into question what it means to be good.