Det Tredje Øyet

What is Det Tredje Øyet about (plot, summary)
The cop Viggo Lust has lived through a parents worst nightmare. Four years ago his daughter disappeared without a trace. The investigation lead to no results, and Viggo could never let it go. Now four years later his world has fallen apart, and his career is plumeting. His supervisor gives him one last chance, and pairs him with new investigator Mari Friis. Can Viggo let his daughters case go and clean up his life, or will he continue looking?