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!