The Guardian have debuted the new UK trailer for the Lynne Ramsay directed movie, We Need to Talk About Kevin. It stars Tilda Swinton, John C. Reilly, Siobhan Fallon, Ezra Miller, Anna Kuchma and Leslie Lyles. It’s not due out in the UK until 21st October but the more we see from it, the more we like it.

The mother of a teenage boy who went on a high-school killing spree tries to deal with her grief — and feelings of responsibility for her child’s actions — by writing to her estranged husband.

Have a watch of the new trailer below.