Lead cast: Lee Jae-wook, Shin Ye-eunLatest Nielsen rating: 5 per centAfter his cameo as a dreamy doctor in the fantasy romcom Boyfriend on Demand earlier this year, Lee Jae-wook is back on screens slinging a stethoscope as the lead of the rural medical drama Doctor on the Edge, based on the webtoon Endurance Doctor by Kim Tae-poong.Starring alongside him as a chipper local nurse is Shin Ye-eun, who last appeared in A Hundred Memories and The Murky Stream, which aired at the same time last autumn.Lee plays Do Ji-ui, a gifted young plastic surgeon. But before we get to see him don his doctor’s gown, we meet him in army fatigues as he slogs his way through a training course at the beginning of his mandatory military service.