The team goes after Savage's operation in Norway in 1975, but the mission goes bad when Savage detonates the nuclear warhead he is trying to sell. Atom loses a piece of his suit's technology, and Martin contacts his younger self in 1975 in the hopes of finding it. Meanwhile, Carter and Kendra learn of a dagger that can kill Savage for good, but Kendra has to recall her first life in order to use it.