There are some strange shenanigans transpiring at one of New York's top museums as a recently acquired artifact is discovered disassembled every evening, and there are never any signs of a break-in! This is the kind of weirdness that typically tends to tug at the attention of the Teenage Mutant Ninja Turtles and their awesome allies. Join Raphael and Mona Lisa in the start of a new arc as they race to solve the mystery at the museum!