Ambitious journalist Janne Vuori receives an anonymous letter calling on him to investigate the activities of a large company. This is his chance to make a name for himself, and he decides to get to the bottom of the truth at all costs. Things take a new turn when the company's executives, one after another, begin to die as a result of suspicious accidents. It appears to be the work of a clever and ruthless killer. But who is he working for? The deeper Janne dives into the investigation, the more questions he has. Who is persecuting Janne himself and sending threatening letters to his family? Are unknown informants setting him up? And is it by chance that he meets the father who abandoned him and his mother thirty years ago?