A priests work is never done. In Clean Heart we get to know Kristinn Ágúst Friðfinnsson a priest in the town of Selfoss. While fulfilling the various duties of priesthood he still has his own demons to deal with.
Three children take their grandfather to the graveyard to visit their dead grandmother. When they find out that granddad is tired of living and is actually waiting to die the children get confused, especially the youngest one. Granddad has to find a way to explain to her that death is not the worst thing in the world, which starts a chain of bizarre events. This becomes a learning full experience for the youngest one, even though it leads to a tragic ending.
A murder opens up a bleak trail of long buried secrets and small town corruption for a worn out police detective and his squad.
An elderly couple leave their retirement home to make one last journey back to their home in the Western Fjords.
The actress is to produce a play with the local amateur group and old romantic flames are rekindled. At the same time an American army unit is making experiments with a new and powerful energy source in the vicinity, promising the community a prosperous future.