Casualties(1997)

Who can you turn to when there's noone left to trust?

A woman tormented by an abusive, sadistic husband desperately tries to find her way out of her predicament. She discovers that she may have found the solution in her cooking class, she finds out that one of the men in her class is even more of a sadistic psycho than her husband, and she hatches a plan to get him to kill her husband.