"Vikings: Valhalla" chronicles the adventures of some of the most famous Vikings who ever lived — the legendary Leif Eriksson (Sam Corlett), his headstrong sister Freydis Eriksdotter (Frida Gustavsson), and the ambitious prince Harald Sigurdsson (Leo Suter). As tensions between the Vikings and the English royals reach a breaking point, these three Vikings begin an epic journey that will take them across oceans and through battlefields, as they fight for survival and glory!