norio kimura was two miles from the plant, together with his oldest daughter, mayu. he was still searching for his youngest daughter, his wife, and his father. now he faced a choice: abandon the search, or risk exposing his surviving daughter to radiation. >> (translated): the head of the village told me that the nuclear plant was in trouble. he persuaded me to leave. he told me... ...the living were more important than the dead. that's when my feelings changed. i had one daughter left. i had to protect her. >> narrator: but just after 9:00 on the morning of march 12, the villages around the plant had been evacuated. at last, tepco ordered the venting team to go in. the plant logs show the first two volunteers set off at 9:04 am. >> (translated): they knew they'd be exposed to radiation. but they went in. >> narrator: this footage was filmed by tepco seven months later, when radiation levels remained dangerous. it shows the reactor building where the venting team had to operate. >> (translated): it was not a place for humans. the temperature was 100 degrees plus. the