Caroline likes to give blood because she is broke and it is easy money. Everything is great until one day the doctor injects her with a serum that gives her a need for blood. Caroline is slaugtering people with her new teeth until she falls in love with Lisa and doesn't want to drink her.

天真的伊娜是一名银行员，在历经前男友卷款，并与小三私奔后，过着负债累累的辛苦生活，一场因缘际会下，意外认识了一个外表帅气却十分狡猾的骗子，然而伊娜并没有因此报警，反而决定雇用这名骗子，并对她的前男友展开报复行动，一场谍对谍的爆笑骗局，就此展开！