Plot synopsis: A hard-working mom Mi-ra's 9-year-old son Dong-myeong collapses out of the blue due to Type-1 diabetes. Realizing Dong-myeong now has to painfully take blood tests 365 days, her heart drops. Mi-ra desperately looks for painless blood sugar monitoring devices globally and ends up importing 'DexCom' device, first time ever in Korea. Feeling empathetic to other patients, she begins to help other moms to buy the devices. However, Mi-ra faces accusations of illegal import. She decides to take on the world for those in pain. Will Mi-ra continue this battle, not just for her son but for the greater good?