Deceit.

Crystal and Melody. Nobody knew their names. They were known as tag-team killers. Logic and ruthlessness. Melody as the mercyless killer who feels no remorse. Crystal the planner who helps them escape from ugly situations. Except when Melody fucks up their plans. Getting them sent to the asylum. Crystal manages to escape but is being hunted by a cop. Melody trying to survive in the asylum but getting attached to her doctor who trusts her more than she should be trusted.