When a young woman known for drug smuggling goes missing, her elderly grandparents have no choice but to call the retired Detective Konrád. Still looking for his own father's murderer, Konrád agrees to investigate the case. But digging into the past reveals more than he set out to discover, and a strange connection to a little girl who drowned in the Reykjavík city pond decades ago recaptures everyone's attention.
An elderly couple are worried about their granddaughter. They know she's been smuggling drugs, and now she's gone missing. Looking for help, they turn to Konrád, a former policeman whose reputation precedes him. Always absent-minded, he constantly ruminates on the fate of his father, who was stabbed to death decades ago. But digging into the past reveals much more than anyone set out to discover, and a little girl who drowned in the Reykjavik city pond unexpectedly captures everyone's attention.