It's certainly a gradual unfolding of events with “Jax” (Nadine Marshall), “Mark” (Idris Elba), and their young son “JJ” (Kai Francis Lewis) residing in a comfortable London house. Following a health concern, she receives perplexing medical information that creates conflict as she tries to process it alongside her husband, child, and personal sense of self. "JJ" is looking forward to what's coming, but his father sen…