Episode 5: Desire

Rescued and back on the Sidonia Izana has her right arm and left leg replaced with prostetic limbs. The also badly wounded Tsumugi is put in a special regeneration chamber. Meanwhile, Sidonia starts to decelerate to enter the Lem Star System and rendezvous with surviving colonists. Nagate and Izana find a way for the recovered Tsumugi to get closer to the residents onboard the Sidonia. Negate has lost his rookie living space since a new trainee has been assigned to his old room, he turns to Izana for help.