Once Upon a Time in Jamaligudda – Chukki (Mayuri Natraj) narrates the story of her childhood, set in the 90s, which includes time spent with her uncle, Hiroshima aka Krishna (Dhananjaya). Hiroshima is in love with Rukku (Aditi Prabhudeva), who works in a massage parlour. But their love story leads to chaos. Then, a murder changes the course of their lives. How they manage to come out of this mess forms the rest of the story.