Netflix has set Taiwanese drama series “Forget You Not,” directed by multi-hyphenate talent Rene Liu, who steps behind the camera after establishing herself as one of Taiwan’s premier actress-singers.

Ask actress Rene Liu about her 20:30:40 co-star, co-writer and director Sylvia Chang, and she exudes a sigh that’s in equal parts admiration and exhaustion. “I think she’s a model for all of us women, ...