There is instant chemistry between alice (gillian anderson), a businesswoman, and adam (danny dyer), a younger working-class man who installs a security system in her london apartment. she takes him to a party in the country, and they end up making love. but the night turns horrific when they encounter three thugs who maim adam and *** alice. the incident turns them into fearful recluses until alice spots the leader of their attackers (anthony calf) -- and the two victims plot a brutal revenge.