Catherine, Called Birdy, is a Prime Video original, written and directed by actress Lena Dunham. It is an adaptation of a Karen Cushman novel of the same title. During the 1290s, child marriage was common in medieval England. The moment a young girl has her first menstrual cycle, she is eligible for marriage. Child marriages were shockingly the norm back then because women have no say on how to live their lives. It is nagging skeleton in every person’s family history. Bella Ramsey who got a lead role in upcoming the live action adaptation of “The last of us” snatched the role of Birdy.