There has been an uprising amongst the realms of the Underworld. One of the culprits is the being once known as the Ferryman. After countless years of ferrying the dead across the River Styx but having to deny passage to those "lost souls" who cannot cross have taken it toll. After a millennia of having to hear their cries and screams, he couldn't take anymore. Being a "lost soul" himself, he cursed his former masters and began organizing an Army of Lost Souls. They will overrun the Underworld and overthrow those cruel beings who rule.