Lead cast: Park Hae-soo, Lee Hee-joon, Kwak Sun-young Latest Nielsen rating: 4.1 per cent Picture the scene: outside a rural town in 1980s South Korea, a red scarecrow stands in a field of pale reeds, within which stalks a serial killer whose diabolical acts will consume the detectives who later search for him in vain. From its opening moments and all through its first two episodes, ENA’s new peri