When the CSI team works two separate investigations, one involving a woman found murdered in Mexico and another of a local couple found dead in their driveway, they find the evidence in one case may help the other.
CSI们调查两件案子，一件是在墨西哥，一个女人死亡，另一件是本地一对夫妻被发现死在自家停车道上。在一件案子中发现的证据可能帮到了另一件案子的解决。
