After half a century confined in a psychiatric hospital, Matty has moved to a care home on the Cumbrian coast. Next year, she'll be a hundred, and she intends to celebrate in style. Yet, before she can make the arrangements, her 'maid' goes missing. Irene, a care assistant, aims to surprise Matty with a birthday visit from the child she gave up for adoption as a young woman. But, when lockdown shuts the care-home doors, all plans...