The Swindlers — Ending Explained

This analysis is limited to what the research confirmed, and I have not checked every twist of the final act. The premise sets up a layered con in which Ji-sung and Prosecutor Park recruit a team to trap Jang Doo-chil. Reviews note that the scheme "starts to go sour for everyone involved", so the plan is not as clean as it first appears, and viewers on IMDb single out the ending's surprise and the many twists. As in other films of the genre, the key pleasure is realizing that the audience has been conned alongside the targets, and that scenes which seemed like setbacks were parts of the plan. The political thread, in which a candidate for president is tied to Jang and to Park's patron, makes the final reversal a verdict on the powerful. For a detailed beat-by-beat account of the final twist, consult the full plot summary on Wikipedia.

The film can be read as a light genre entertainment whose plot twists are its whole purpose. It can also be read as political satire in which con artists are more honest than the officials and politicians they target. A third reading sees it as a story of personal revenge disguised as a caper, with the group dynamic offering a surrogate family.