Upon arriving at the vibrant and bizarre Spirit Market, Sam and Elle must convince Gizmo's maker that not all humans are bad an argument complicated by Riley Greene's hot pursuit.

It's a race against the clock as Sam, Elle, and Gizmo battle fearsome yet adorable monsters on their way to the Valley of Jade as long as Greene and the Gremlins don't catch up with them first!

Devastated by failure, Sam and Elle must look inward to find the strength to protect Shanghai from being overrun with violent Gremlins.

With our heroes reunited, their bond is put to a final test as enemies from all sides converge.