In the opening moments of the unsettling animated feature “I Lost My Body,” a young man, Naoufel , lies on the ground covered in his own blood. From that traumatic moment on, his consciousness will be split into two perspectives.

This surreal French thriller tells dueling stories simultaneously. In flashback, it shows the life of the adult Naoufel (voiced by Hakim Faris ) whose parents died tragically when he was a boy. Rudderless, he scrapes by as a perpetually overdue pizza delivery guy in Paris. But his path is changed when he meets Gabrielle ( Victoire Du Bois ) on one of his shifts — her voice over the intercom inspires Naoufel to transform his life.

But his present-tense story undercuts the constructive changes he pursues in flashback. In the present, Naoufel — the able-bodied, if hapless, young man — is gone. Instead, the hero is his severed hand, which appears suddenly and mysteriously detached from his body. For this part of the story, Naoufel’s hand braves Paris to find its way back to wholeness.