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 follow a sinister trail that leads them to investigate a case that occurred in 2008. At the same time, new tragic events take place that test their faith and deepest beliefs.

A television newswoman (Seymour) must betray a friend in order to expose a presidential candidate (Devane) guilty of sexual harassment.