Over the past two seasons of Pachinko, the characters of Koh Hansu (Lee Min-Ho) and Sunja (Kim Min-Ha) have held on to a big secret involving the paternity of her son Noa (Tae Ju Kang).

“I think he made a rational rather than emotional decision,” says Lee Min-ho, discussing the direction his character is taking in Pachinko, the international series of Apple TV+ that was ...