EKKO is the story about the police officer Simon, who has recently lost custody of his six-year old son in a divorce. In desperation, he abducts his son and takes him to the country where they hide out in a vacated summerhouse Simon wants to spend one last holiday alone with his son, but their week together brings back a nightmare from his own childhood, reviving bad memories, and soon the ghosts from his past threaten to drive Simon mad.