Heartlands (2003)

Gentle Colin 'Col' Lawes happily lead a quiet life, running a news agency with his soiled-rotten wife Sandra and playing competition darts in the Atletic Arms team. Colin catches her committing adultery with team captain Geoff, a cop, who pretends Colin abused her. Col is thrown off the team just after it qualified for the league finals in Blackpool. He decides to travel there alone, hoping to win her back.