 A trailer explodes, killing a man and a woman. The neighbors in the densely populated trailer claim to have seen nothing. The team, reunited, investigates the crime scene and finds suspicious tire marks as well as paint transfer from a car all over the place. Catherine and Warrick are pulled away from this case when a dead body of a scantily-dressed woman is found in a bad neighborhood. While on this case, Catherine finds out that Warrick is married. Back at the lab, Grissom receives an audio tape from Nick s kidnapping case. On it, there is evidence suggesting that the perpetrator had an accomplice.