The plot of the film tells the stories of several volunteers - servicemen of the International Legion of the Defence Intelligence of Ukraine, the Ronin Team unit. During their service, the soldiers become true friends: they work, study and relax together. However, the time comes to test the legionnaires' courage and skills. The months of hot summer are not easy for them. Not all recruits can withstand the high pace of training and service. Meanwhile, disturbing news about the Russian offensive is coming from the front.