Synopsis

Dr. Cannerts achieves a significant advance, bringing the possibility of a cure for the virus within reach. Simultaneously, Katie and Jake, having meticulously reviewed hospital surveillance since the outbreak's onset, begin to piece together the truth surrounding Patient Zero. Meanwhile, Jana and Suzy proceed with their plan to circumvent the quarantine by utilizing the city’s subterranean tunnels. And finally, a perilous attempt to secure a potential antidote from within the cordon takes an un