After a global catastrophe changes the earth forever, art teacher Seo Ji-oh perishes in a sudden fire, only to find his soul sucked into a portrait. Trap-ped inside the canvas, he gains the almighty power to create life and open interdimensional portals. Ji-oh uses these newfound abilities to cross dimensions and help the people he encounters with their struggles. However, the more worlds he travels and the more problems he solves, the closer he draws to uncovering the dark and hidden truth behind his own death.