"Sommerdahl" is a Danish crime drama series that tells the story of a murder committed in Helsingør. The crime is being investigated by Dan Sommerdahl, his wife Marianne, and their family friend Flemming Thorp. As they work together to solve the case, the main characters unexpectedly find themselves in a love triangle. Now, they not only have to find the culprit but also uncover their true feelings for each other. They are in for a multitude of thrilling adventures.