At its core, the film explores father-daughter dynamics, self-sacrifice, and societal breakdown.

The film features an ensemble cast including Gang Dong-won (Jung-seok), Lee Jung-hyun (Min-jung), and a notable performance by child actor Lee Re . Despite being selected to premiere at the 2020 Cannes Film Festival (which was cancelled due to the COVID-19 pandemic), the film was released theatrically on July 15, 2020. On a budget of $16 million, the film grossed $42.7 million worldwide and became one of the highest-grossing Korean films of 2020.

As of 2026, no official Tamil dub has been released for Peninsula by the film’s distributors (Next Entertainment World, Well Go USA, or Zee Studios in India). The official dubs available are:

Pirated versions often have terrible video and audio quality, ruining the cinematic experience of a high-budget film.