Leo and Ellen, are a successful affluent New York couple who on the surface appear to have it all. But behind this façade something more troubling is evolving. Ellen is beginning to question her priorities when she sees her daughter has a much closer bond with the nanny Gloria than with her, while Gloria is desperate to be reunited with her two sons back in the Philippines. Mammoth marks the first English language film from Lukas Moodysson (Lilya-4-Ever); A dark, thoughtful and tragic tale of humanity struggling to find its place within contemporary society.