The Mischievous Young Taoist and the Shameless Old Taoist

A nuclear bomb accidentally blows open a gateway between Earth and another parallel continent, ushering in an era of war between the two lands. A contented man who lies flat and has no ambition accidentally crosses paths with a rather irreverent old Taoist. Forced to become his disciple, he is led along by the old man's blarney until he sets out on an irreversible path to becoming a powerhouse...