The Butterfly Effect

Is there such a thing as an anti-social butterfly? If there were, Greta Oto would know about it-and totally relate. An entomologist, she far prefers the company of bugs to humans, and that's okay-people don't seem to like her all that much anyway, with the exception of her twin brother, Danny. But they've recently had a falling out, so when she lands a research gig in the rainforest, she leaves it all behind. But then Greta learns that Danny has suffered an aneurysm and is hospitalized, so ...