A woman struggles to uncover the cause of mysterious symptoms affecting her two children, believing it to be genetic despite their father appearing perfectly healthy. A doctor insists that testing the father’s DNA is the only way to find answers, prompting her to seek his sample. Meanwhile, a man named Mr. Voss is celebrated for his business influence but is seen behaving irresponsibly by chasing women, worrying the woman about his negative impact on their children. The episode ends as she directly asks the father for a few strands of his hair to proceed with the DNA test, setting up a tense next step.