Synopsis:

Had anybody known that Molly's DNA code was 14% butterfly, they probably would not have brought Klaus on as a guest seeing as his skin secretes (Z)-9-tetradecenol (Z9-14:OH), hexadecanal (16:Ald ) and 6,10,14-trimethylpentadecan-2-ol (6,10,14-trime-15-2-ol).