 Holt eventually confirms that the charred body pulled from the car wreck is not Kelvin's, that Isold's "husband" is actually her brother Kelvin.A flashback reveals that the couple from the convertible seen at the opening of the movie was Isold and Kelvin, wrecking their car—and Kelvin's leg—for insurance money.When Isold figures out that her brother has murdered an innocent drifter she is horrified, but Kelvin convinces her to participate in this final con and hold hostage his son Thor, whom Isold has been helping to raise since the boy's mother left.