

The group formulates a plan to get the car moving: using the remains of a dead bug to mask their scent as they work Peter will switch the power on, and Manny will switch the tracks. Susan surmises that the Judas breed's accelerated metabolism has allowed them to reproduce at a similarly accelerated rate, causing them to evolve over tens of thousands of generations within only three years, developing both lungs granting increased size and the ability to mimic their human prey. Manny also enters the tunnels in search of Chuy and comes across Susan, whom he rescues along with Peter and Leonard, and they barricade themselves inside a train car. Meanwhile, Josh finds a way out but is found by a Judas and killed. The creature abducts Susan and carries her into the tunnels. As she approaches it, the figure unfolds into an insect the size of a human being. Susan encounters what appears to be a shadowy man in a trench coat on a train platform. Peter, his assistant Josh and MTA officer Leonard enter the maintenance tunnels to investigate but Peter and Leonard get stuck and send Josh for help. Meanwhile, Chuy enters the abandoned church of the dead priest to find "Mr. Looking for more valuable specimens, the kids go down the tracks where they find a large egg sac and are then killed by the same strange assailant. Gates, who autopsies a larger specimen found in the city's sewage treatment plants, and finds that its organs are fully formed, meaning the Judas breed is not only alive but has developed into a viable species, with a sizable colony underneath the city. After informing the police she later consults with her mentor, Dr. Before she can examine the insect further it is stolen by a strange figure who escapes out the window. Initially, she believes that this is impossible since the specimens she released were all female and designed with a lifespan of only a few months, which should have ensured that the breed would die off after a single generation.

Later two kids sell a "weird bug" from the subway to Susan, which she performs tests on, and realizes is similar to the Judas breed. Funny Shoes" to his disbelieving guardian, an immigrant subway shoe shiner named Manny. The only witness is Chuy, a boy on the autism spectrum with a habit of imitating noises who refers to the attacker as "Mr. Three years later, a priest is chased and dragged underground by a strange assailant. The roaches carrying the disease are successfully eradicated, and Peter and Susan later marry. Tyler uses genetic engineering to create what she calls the " Judas breed", a hybrid between a mantis and a termite that releases an enzyme which accelerates the roaches' metabolism, with the effect that the roaches burn calories faster than they can nourish themselves and thus starve to death. Peter Mann, deputy director of the CDC, recruits entomologist Dr. Due to an inability to develop a cure or vaccine for the disease Dr. In New York City, cockroaches are spreading the deadly "Strickler's disease" that is claiming hundreds of the city's children.
