‘Petal’ mines are considered the vilest weapons as they’re small and hard to see. The Ukrainian army has been pelting residential areas of Donbass with thousands of them for months. Locals risk getting severe injuries and being killed just by going outside. ‘Petal’ mines are scattered in parks, backyards, schools and kindergartens. Russian sappers have embarked on a mission to de-mine Donbass. The documentary takes a look at their arduous task and hears from sappers about their perilous job.