In the lead up to the UK’s first Covid-19 national lockdown, acute medicine consultant Dr Abbey Henderson and NHS staff struggle to cope with the rising number of Covid-19 patients as the disease ravages the ward. Running out of tests, unable to use PPE, and with staff beginning to get sick, Abbey, registrar Ant, medical student Emma and the team must adapt quickly to try to stop the spread. However, unclear, ever changing government guidelines force them to make difficult healthcare decisions with devastating consequences.