“Reborn Rich” (재벌집 막내아들)

Describing “Reborn Rich” is tricky without giving away the ending. Is this K-drama a time-traveling thriller? Or a revenge series with the poor battling the obscenely wealthy? Maybe it’s a tale of repentance? It’s all that and more. Smart and calculated without resorting to tired tropes, “Reborn Rich” offers powerhouse performances by Song Joong-ki (in two roles) and master actor Lee Sung-min (“Misaeng”), who at just 54, convincingly portrays the former’s grandfather.

“The Golden Spoon” (금수저)

If you could change places with a wealthy acquaintance, with the condition that you have to give your family to do so, would you? That’s the moral question behind “The Golden Spoon,” which stars BtoB’s Yook Sung-jae (“Goblin,” “Mystic Pop-up Bar”).