In Rheology, Shayok Misha Chowdhury joins forces with his physicist mother, Bulbul Chakraborty. Bulbul is obsessed with the mystery of sand: how it flows like a liquid, but then jams into a solid. Misha is obsessed with his mother. But they’re running out of time. In this boundary-pushing collaboration, an artist son and his scientist mother challenge each other to a high-stakes experiment.