Information for Backstroke at Donmar Warehouse, West End (Play). "Just let go. Let your body float. You'll still be here but it'll feel like flying in a dream." Bo is busy - balancing the pressures of work and the needs of her struggling daughter. When her mother, the irrepressible force-of-nature Beth, is admitted to hospital following a stroke, the practical realities of the present collide with the complexities of their past.