Nabi, a firefighter, prided herself for living a successful life, until one day her child, Hankyeol, tells her: "Mom, I want to get a mastectomy." Vivian, a flight attendant, sheds tears after reading her son, Yejoon's, letter: "I'm gay." Nabi and Vivian had never heard the term "LGBTQIA+", but facing the reality that their children are struggling, what would two mothers do?