"At 7 plus on the 28th, while on set doing a night scene, I got a text from my dad in New Zealand. He calmly explained his symptoms and informed me that he was having a heart attack. That he had 3 or 4 similar attacks in the past few days but he didn't inform anyone. Ambulance was on the way. He asked me to begin praying.” wrote Rui En in the first part of her caption.