In the film "A fuego lento," Guadalupe Palma, a dancer and part-time prostitute, finds herself at the center of a suspenseful and enigmatic story, inadvertently setting off a chaotic pursuit by various factions, including ruthless gangsters. Her impoverished musician boyfriend, Óscar, becomes entangled in the intrigue, resulting in a unique cinematic experience with minimal dialogue.

Ismael, a 12 year old boy, dreams to become a professional baseball player but he is asthmatic. One night, while approaching the girl he loves, he witnesses a crime.

Lu finds the possibility of companionship when she meets Aini, a cloud-headed entity. The two will go through the girl's day-to-day life, with all kinds of people coming in and out of her house.