The group manages to quell the inmates' rebellion and further secure the prison. A katana-wielding woman named Michonne arrives at the prison seeking refuge; her arrival causes tension among some of the group. One of the group members is bitten on the leg; Hershel attempts to amputate it but the man dies. After a fight between Rick and Tyreese, a decision is made to have four co-leaders instead of Rick leading the group.