The film follows a group of anthropomorphic food items in a supermarket who believe that being chosen by customers means entering a paradise. The story primarily focuses on Frank, a sausage (voiced by Seth Rogen), and Brenda, a bun (voiced by Kristen Wiig), who discover the dark truth about their existence.
In the climax of the movie, the food items realize that the gods (humans) are not benevolent, but rather intend to consume them. Chaos ensues in the supermarket as the food items revolt against the humans. There are violent and explicit scenes as the food items fight back against their perceived oppressors.
The resolution of the film takes a surreal turn when Frank and Brenda, along with other survivors, discover a portal to another dimension. They enter this portal, hoping to find a peaceful and idyllic world where they can live freely without the threat of being eaten.
However, the film’s ending adds a metafictional layer as it reveals that the characters are aware they are in an animated movie. The voice actors attend a party, and the characters express gratitude toward the filmmakers for their existence.
The final scenes include a humorous and explicit sequence where the food items engage in sexual activities. The film concludes with a song celebrating the absurdity of the animated world and the freedom to explore unconventional themes in cinema.
In summary, “Sausage Party” ends with the characters discovering a portal to another dimension, acknowledging their existence in an animated movie, and engaging in a humorous and explicit celebration of their animated reality. The film’s conclusion is a mix of satire, absurdity, and self-awareness.