Still (2014)

Set in North London, "Still" is a gritty, atmospheric thriller about the violent disintegration of a man and father. Tom Carver (Aidan Gillen) is stumbling blindly towards a crossroad in his life, thrown out of focus by his teenage son's death the previous year. He becomes involved in a feud with a teenage gang after a seemingly-harmless collision with a young kid. As the feud becomes more horrifying, Carver's world starts to unravel, forcing him to make decisions that will change his life forever.