Morro Bay High School Drama presents its production of Mamma Mia! March 15 through 23. Performances take place in the school's cafeteria at 7 p.m. on Fridays, and at 2 p.m. on Saturdays and on Sunday, March 17. This hit musical, with songs by ABBA, centers on Sophie Sheridan, a 20-year-old in search of her birth father. After discovering three possible dads described in her mother's diary, she invites all three of them to her wedding.