In "The Protest of the Pharaoh's Daughter," a pharaoh's daughter struggles with her relationship with her father and his treatment of the Jews in ancient Egypt. The Emerson Theater Collaborative is performing this Amy Reifsnyder play at 7 p.m. tonight and Saturday at First United Methodist Church, 23 Willow St., Mystic. It deals with what a woman risks when she fights for social justice. The story is told via the daughter's handmaiden, played by Claudia N. McCoy. Theresa Broach directs. Tickets are $25; $20 for seniors and students; $10 for ages 12 and younger. Call (860) 705-9711 or visit emersontheatercollaborative.org.