Japan International Cooperation Agency, JICA recalled its 2,000 international volunteers during the pandemic. Vietnam's early success against the virus meant 4 volunteers returned in November 2020, completing their two-year stint in April 2021. Follow occupational therapist Nishiyama Noriko who updates rehab techniques at a geriatric hospital, and special needs teacher Shimizu Sayuri who helps an underdeveloped educational field. After 8 months away they work alongside colleagues to tackle new challenges and find new solutions.