Provence in the South of France, home to Matthew Harris, a newly retired SAS soldier turned hitman for the Hermes organisation, an international gang of thieves, hackers and assassins. Enjoying the quiet life in a sleepy mountain village he meets and falls in love with a local restaurant owner. Isabelle Marcon escaped the clutches of her violent drug dealing rapist of an ex-husband only for him to be released from prison early and track her down. With relentless attacks happening in the sleepy mountain village, Matt goes back to work against the Marseille underworld to protect the woman he loves. Working against a violent drug empire who has just secured a deal with an Italian family, Matt's responses grow ever more devastating, eventually putting him on a collision course with his former employers.