Despite the diagnosis, Tully and Anna decide to get married, providing a bittersweet moment of joy amidst the tragedy.

Tully shares his news with Jimmy but initially wants to keep his plan for Switzerland a secret from his partner, Anna.

Jimmy struggles with the weight of Tully's request, especially as Anna and Jimmy's wife, Iona, initially want Tully to fight the cancer with chemotherapy.

In the first episode of the BBC drama , a deep 30-year friendship is put to the ultimate test. James "Jimmy" Collins (Martin Compston) and Tully Dawson (Tony Curran) have been best friends since 1986, when they bonded as teenagers over music and movies during a life-defining trip to Manchester. The story unfolds across two timelines: