A severed hand escapes from a refrigerator in a laboratory and begins a journey across the suburbs of Paris to reunite with its body, that of a young man named Naoufel.

Naoufel tracks Gabrielle to the library where she works and follows her to a nearby neighborhood where she drops off medicine to a carpenter, her uncle Gigi.

Gabrielle is upset, unsure of Naoufel's intentions and fearing that he had taken advantage of Gigi solely in order to pursue her.

While cutting wood on a bandsaw, Naoufel is distracted by a fly and tries to catch it as his father taught him when young, snagging his watch on the blade and severing his hand.

In May 2019, following its Cannes premiere, Netflix acquired the worldwide distribution rights to the film, excluding France, Turkey, China and the Benelux region.

The website's consensus reads: "Beautifully animated and utterly unique, I Lost My Body takes audiences on a singularly strange journey whose unexpected contours lead to a wholly satisfying destination.

"[11] On Metacritic, the film has a weighted average score of 81 out of 100 based on reviews from 19 critics, indicating "universal acclaim".

[12] Jordan Mintzer of The Hollywood Reporter called the film "A highly original and rather touching account of loss, both physical and emotional.

"[13] Peter Debruge of Variety magazine wrote: "I'd hazard to say it's one of the most original and creative animated features I've ever seen: macabre, of course — how could it be otherwise, given the premise?