A police officer-turned-community activist becomes the prime suspect in a string of sex offender murders.
Skeletal remains with remnants of breast implants are found in Chesapeake Bay; when the body's lower half is discovered, the team realise that initial assumptions about the victim may be wrong.
The tornado destroys Mrs McCluskey's house; Lynette faces the possibility that her family may not have survived; Katherine discovers that someone knows about her mysterious past.
T-Bag tries to track down missing Mrs. Hollander; Sucre's escape plane faces deadly turbulence; the tables turn on Bellick upon his return to Fox River; Michael and Lincoln are taken into custody and transported back to Fox River.
An investigation leads the team to question a lone survivor of a former terrorist network, while Kensi and Deeks follow the trail into the woods.