The action takes place in eastern Ukraine during the war against Russia. A young girl goes east to find a loved one who went to war as a volunteer. One night she hears a cry for help. Thinking that this is her boyfriend, she goes into enemy territory. But it turns out that this is another soldier. The girl rescues him and realizes that it is her destiny to save people. During one of the fights, she falls into an accident and becomes disabled. But despite this, she creates and heads a medical battalion called the Hospitallers, which rescues hundreds of people on the battlefield.