Dangerous Games (2018)

Mike, a policeman, is forced by a colleague to leave the Police because he killed an informer. In the meantime, his colleague gets a promotion and becomes a deputy police superintendent. Mike, now out of the Police, is a private detective and becomes the lover of a woman that he was supposed to tail for one of his cases. This woman will make him an offer that he can't refuse, but things are not as they seem.