Boris Johnson wins the 2019 general election and prepares to form a government. He begins work on taking Britain out of the European Union, and scientists begin monitoring the spread of COVID-19.
Boris Johnson appears in several media interviews to discuss plans to combat COVID, as infections rise around the world, the situation worsens in Italy, and the government considers imposing a complete lockdown.
Carrie and Boris host a baby shower at Chequers, the WHO and scientists stress the importance of testing, and the government imposes a lockdown after other restrictions were slow to be implemented.
Conditions in care homes and hospitals deteriorate, deaths rise, Boris' symptoms worsen, and Carrie suggests going to the hospital.
Boris Johnson is taken to St Thomas' Hospital with persistent Covid symptoms, and Guardian journalist Matthew Weaver investigates reports of Dominic Cummings being seen in Durham.
Boris Johnson returns to Downing Street as the government begins to ease restrictions, and Cummings's story in Durham breaks and forces him to confront rule-breaking.