All we imagine as light follows three very different women working at the same hospital. Prabha, Anu, and Parvathy each contending with personal and material struggles amid a modernizing India riven by gentrification and rising Hindu nationalism. When Parvathy is evicted and forced to move back to her childhood village, Prabha and Anu travel with her to the seaside, where they shake loose their remaining secrets and in one otherworldly sequence a lingering ghost.