Hidden symbols and a sinister ancient secret buried in downtown Helsinki. An ever-growing string of deaths. When a 10-year-old girl and her mother move in next door to professional killer Daniel, the man begins to have tormenting memories of his stolen childhood. When Daniel's faceless employers order yet another murder, he is faced with a choice for the first time - whether to carry out the assignment or face his painful past. Who - or what - wants Daniel to keep killing?