And We Shall Be Changed (a.k.a. We Are Coming Home) - S2.E18

A biophysicist disappears along with the only sample of a deadly virus she created. To complicate things, she claimed to have been followed by men in black suits; leading the team to wonder if the government was really survelling her or if she was going crazy. Meanwhile, Toni and Doug Mastriani come to town and when Douglas goes missing and Nicole is put on probation for a misunderstanding with Army Intelligence, Jess must balance work and family and find both missing people while she dreams about her brother in a hearst drinking beer.