Transformers: the last knight

At Chueseok, I saw a movie called Transformers: the last knight (PG13{violence and language}) on TV. If you don't want spoilers, then don't read this. This movie begins with King Arthur on a battle with his side losing. Then, one autobot gave merlin a staff to control a dragon, which (I'm pretty sure) let them win. Next, Some kids ventured into the ruins of the ex-chicago and found a dying autobot called canopy. Then, Cade Yeager came and got a medal-thingy (I looked it up and it's a 'Talisman') from Canopy before he died. One of the kids, Izabella (with a 'z') followed Cade and asked to live with him. One day a professor named Viviane gets trapped by an autobot named 'Hot Rod' while Cade got called by Cogman: butler/transformer. They went to a mansion owned by Sir Burton: the last alive member of the Witwiccans.(a group to preserve the secret of transformers) He explained a staff that only the descendant of Merlin can use. Then, he explains the talisman. He said the talisman chose him because he's a honorable man. Then, they went to a submarine museum where the submarine (transformer) took them to the staff. After that, Optimus Prime,who got controlled by the mad god Quintessa attcked bumblebee. Before He could strike a blow, Bumblebee's voice came back and Optimus resisted the Control. More bad autobots came and there was a big fight that I won't describe.(Too much violence, cursing, etc) Then, the good guys win with Cogman and Burton dead. Finally, Cade and Vivian goes out dating(blegh) and brings up Izabella to make a family again. Also, Optimus prime recognizes that the Earth is his home, not Cybertron(the planet of autobots).