A babysitter turns up dead on Valentine's Day, her heart ripped out, and the Winchesters soon discover that she was the victim of an Aramiac curse.
Hiroshi, Julia and Alan plot for a plan to neutralize ILARIA's special team while Balleseros' background is proved inappropriate to gain Tulok's trust. Julia and Daniel face grave danger when the Scythe merges a plan to retrieve the NARVIK strains with personal revenge.moreless
Peter's body is taken by vectors, and Sutton takes Julia prisoner.
Hatake saves Julia from the mercenaries led by Constance Sutton.
Alan and Jordan's work on decoding the virus is seeing progress, while Julia is being cured by Hatake.
The mole is still at the front of everyone's minds, especially when they come under sniper fire from a young girl. Anne continues to worry about her baby.
Taking place several months after the end of last season's final episode, the 2nd Mass attempt to liberate children who are being forced to work a mine, guarded by skitters and mechs.
Arthur Manchester investigates a mole in the ranks, and the Volm seek assistance in destroying a power source for Espheni weapons.
Callen goes undercover in order to penetrate a Chechen terrorist group that recruits foreigners and plans their next attack in the United States.
In the Season 2 finale, the skitters draw closer to the consolidated resistance force. Elsewhere, the 2nd Mass come across their biggest threat as Tom discovers game-changing information.
Tector makes the decision to embrace his military past, while Maggie becomes suspicious that Pope will be leaving he group. The 2nd Mass continue to meet new people along the way, as Tom runs into a former untrustworthy mentor.moreless
Tom lands himself another captive andBen is lead into danger at the hand of someone he trusts. The unit faces a brand new enemy while trapped in the basement of a building.
A skitter is captured and imprisoned at the camp, Hal bonds with Maggie as they discuss her past, and a familiar figure returns to the group with questionable motives.
The 2nd Mass moves into an airport hangar but the situation gives Anne reason to worry about the health of the group. Meanwhile Pope and The Berserkers hatch a plan to deal with Tom. The group suffers a great loss but receives a promise of hope from a mysterious visitor.
Tom begins to wonder if his mind was affected during his captivity whiles truggling with the memories of what happened while he was with the aliens. While trying to find a way to escape the approaching Mechs and Skitters the 2nd Mass comes across a bridge that could lead them to safety, when the bridge is damaged it's up to Ben to scout the area for signs of the enemy while Jamil attempts to repair the bridge to allow the convoy to cross. Ben makes a discovery and along with Hal, Dai and Karen must launch an attack to protect the rest of the group.moreless