This road-trip movie follows Sam (Colin Firth) and Tusker (Stanley Tucci), who have been a couple for 20 years, as they deal with the challenges of Tusker’s diagnosis with young-onset dementia. They take a trip across England to the Lake District, visiting friends, family, and places from their past. Two years after Tusker’s diagnosis, time together is the most precious thing they have. But as the trip progresses, their individual ideas for their future begin to collide.