Berkeley’s Eureka Day School is a bastion of progressive ideals with a Board of Directors that values inclusion above all else. But when a mumps outbreak prompts the community to reconsider the school’s liberal vaccine policy, facts become subjective and every solution divisive, leaving the school’s leadership to do what they swore they never would: make a choice that won’t please absolutely everybody.

Eureka Day, presented in partnership with Aurora Theatre Company, will feature almost all its original cast members.