 The team searches for serial killer Carol Eisenberg who along with her now-executed husband killed five girls. Whilst on parole she disappears. Meanwhile, Jess warns Antonio that someone may harm him. Her vision turns out to be correct when Antonio realizes he s being stalked by a man out for revenge for his brothers death. Nicole kills FBI disguised Samuel Lewis as they attempt to release Carol Eisenberg. At the end Antonio is blown up in a car-bomb planted by Samuel Lewis before the siege.