震天尊夺走了领导模块和和合之谜，其下一步的目的是曾经封印了宇宙大帝的神器——镇魂枪。一支由威震天、风刃、感知器和凯旋女神带领的队伍试图比震天尊更早找到镇魂枪，之后守护镇魂枪的巨无霸擎天圣和机器恐龙钢锁也加入了队伍。众人逐渐发觉了震天尊的可怕计划，他企图利用全体变形金刚的火种来复活自己曾经的爱人——赛天骄。与此同时，宇宙大帝的手下霸王和被混乱模块附身的毁天士也加入了抢夺领导模块的混战。

In the aftermath of the Titans' conflict that concluded into Optimus Prime's death, the rest of the Transformers must stand together in order to stop Megatronus from wiping out their species forever. During their search for the Requiem Blaster, more mysteries about Cybertron’s past will be uncovered, and a new Prime will be chosen.