In April 1986, the city of Chernobyl in the Soviet Union suffers one of the worst nuclear disasters in the history of mankind. Consequently, many heroes put their lives on the line in the following days, weeks and months.
Falling into despair after his nine-year-old son leaves for Australia with his ex, Joseph walks away from his present life and boards a boat for Ireland to confront painful memories from his childhood.
Louise and Tom who meet in a pub immediately before their weekly marital therapy session. Each episode pieces together how their lives were, what drew them together, and what has started to pull them apart.