Jonas Prakoso (Andovi da Lopez), a young gubernatorial candidate, and his best friend and campaign manager, Marbun (Benedictus Siregar), strive to win the public’s support while maintaining Jonas’s perfect image. However, a curse placed on him by his grandmother, Suherlin (Indy Barends), leaves him unable to lie. Whatever is on his mind comes out openly in front of everyone. As a result, the flawless image he has carefully built begins to crumble, throwing his life and campaign into chaos.

The film is adapted from the South Korean comedy Honest Candidate (Jang Yu-jeong, 2020), itself a remake of the Brazilian political comedy O Candidato Honesto (Roberto Santucci, 2014). Director Fajar Nugros is known for films such as Cinta Brontosaurus (2013), Refrain (2013), Bajaj Bajuri the Movie (2014), Moammar Emka's Jakarta Undercover (2017), and the Yowis Ben film series (2018–2021). Presenting its story with a humorous take on Indonesia’s political dynamics, Bapak Paling Jujur has been classified by the Indonesian Film Censorship Institution (LSF) for audiences aged 13 and above. (tin)