In the bustling London of the 1960s, a disenchanted young artist named Alex finds himself trapped in a world of forgeries. After losing his job and his girlfriend in a series of misfortunes, he decides to harness his talent for painting and joins a clandestine group that specializes in creating counterfeit money. The members of the gang, a motley crew of characters, teach Alex the secrets of the trade, but he quickly realizes that the path of crime is not as glamorous as it seems.
Over time, Alex becomes the best counterfeiter in the group, but he also has to deal with the pressure of the law looming over them. When an ambitious police inspector starts putting the pieces together and closes in on their group, tensions rise. Alex finds himself torn between loyalty to his new criminal family and the desire to do the right thing.
As time goes on, the game of cat and mouse becomes increasingly dangerous. Camaraderie begins to crumble, and Alex realizes that trusting the wrong person could cost him dearly. In an unexpected twist, he will have to confront his own morality and decide whether the art of forgery is really what he wants. On the edge of the abyss, can Alex find a way out before it's too late?