Amy Herzog’s ‘Mary Jane’ is a powerful and deeply moving play that explores the extraordinary lengths a mother will go to fight and care for her child. The play, which stars Rachel McAdams in the title role, is based on Herzog’s own experience with a sick child. It follows Mary Jane, a personal assistant who is struggling to care for her child and keep her job. The play is a closely observed and unflinching look at the realities of parenting a child with a disability. McAdams gives a tour-de-force performance as Mary Jane, capturing the character’s strength, resilience, and vulnerability. The play is a must-see for anyone who has ever been a parent or who has loved someone who is struggling.