身怀两大道体，却因无灵根启发灵体的东方少鸿，被同族耻笑，甚至被未婚妻背叛。困难接踵而至，东方少鸿之父因掌握进入苍玉仙府的秘密而身陷囹圄，被仙盟所困。在宗族危难之际，东方少鸿意外用自己的血激发了体内的仙源道石，击退仙盟，挽救宗族于危机之间。举步维艰之际，东方少鸿幸得其父的好友季胤真人相救，拜入缥缈宗得以庇护。缥缈宗上，太阴山涧，东方少鸿拼力修炼的同时，却因身怀冥族暗夜道体被视为人族异类，不断遭受同门挑衅。东方少鸿意识到，只有自己足够强大，才能救得父亲脱困，为自己正名，戳穿仙盟的阴谋。
传奇王国背后，不为人知的历史将被揭开。
The ninja turtles are back! But with a TV show. When the Turtles get accepted as humans, and go to high school while being heroes, they are now being pressured Of Doing both things at the same time. With the OG villain of the 1987 TV show, the turtles also have to fight the Shredder.
