Lesbian partners Robin Young and Sandy Russo look to start a family by seeking sperm donors; what begins as an unconventional yet warm arrangement with second daughter Ry's donor becomes increasingly fraught as he pursues more rights over her life.

Nine-year-old Ry finds herself at the centre of a four-year lawsuit that threatens her family's very existence.

Following a landmark court decision, Ry grapples with her sperm donor's terminal illness and its implications for her future.