The volunteers continue to push with the YPG to the ISIS-defended city of Manbij, Syria. River hears news from home and plans his exit. The medical team is granted access to the front lines and find themselves in mortal danger, surrounded by ISIS.
Filmmaker River Rainbow travels to war-torn Syria, in hopes of documenting stories of the worst humanitarian crisis since WWII. After meeting a medical unit of passionate volunteers, River uses his military training to join the fight against ISIS.