Based on the best-selling novel by Julia Alvarez, the story of the Dominican Republic's Mirabal sisters, who in 1960 came to a mysterious end at the foot of a cliff, is grounded in historical truth. But the book's exploration of their innermost thoughts and motivations required authorial liberties like those taken by Sebastian Junger in The Perfect Storm
. This Salma Hayek-driven vehicle offers only a nibble of a potentially fascinating story, using its hour-and-a-half running time primarily as a showcase for its star's various charms. The "butterflies" are three pampered sisters Minerva (Hayek), Patria (Lumi Cavezos) and Maria Teresa (Mia Maestro) ...