An amnesic S-1 arrives at the Island, scared, lost, and vulnerable. Chase and Douglas discover from her that Krane implanted the bionic students with a deadly virus. Chase, Douglas and Leo desperately try to find a solution before time runs out. Meanwhile, Adam and Bree try to make their last hours comfortable. Bree wants to have a party and Adam wants to set the world record for most balloons in a room.

Davenport gives Eddy, the smart home system, a synthetic human body, and he quickly becomes a model employee working alongside Terry. Meanwhile, Chase gets an offer to go to Washington to work for the President.