Denmark, 2016. A blurred note is found in a bottle that has traveled across the ocean for a long time. After deciphering the cryptic note, Department Q members follow a sinister trail that leads them to investigate a case occurred in 2008. At the same time, new tragic events take place that test their faith and deepest beliefs.
A woman finds a romantic letter in a bottle washed ashore and tracks down the author, a widowed shipbuilder whose wife died tragically early. As a deep and mutual attraction blossoms, the man struggles to make peace with his past so that he can move on and find happiness.