Mammoth revolves around successful New York couple Leo (Gael García Bernal) and Ellen (Michelle Williams). Leo is a creator of a booming gaming website, and has stumbled into a world of money and big decisions. Ellen is a dedicated emergency surgeon who devotes her long shifts to saving lives. Their 8-year old daughter Jackie spends most of her time with her Filipino nanny Gloria, a situation that is making Ellen start to question her priorities. When Leo travels to Thailand on business, he unwittingly sets off a chain of events that will have dramatic consequences for everyone.
Critically acclaimed Swedish director Lukas Moodysson (Show Me Love, Together, Lilya 4-Ever) returns with his first English feature, starring praised indie actors Michelle Williams (Wendy & Lucy) and Gael Garcia Bernal (The Motorcycle Diaries). Moodysson have adapted a more traditional way of storytelling then used in his most recent films.
With a political, philosophical and personal agenda at heart – Mammoth is an honest comment on modern life, the world we inhabit, and how we relate to each other.