A restaurant owner in Massachusetts is asking for the public's help in getting back a piece of a large Halloween decoration that was stolen.

"Please help us catch the two who destroyed our skeleton last night October 4th at 12:00 a.m. The two were in Harvard Square in obviously looks like they had dined in Harvard Square." tiki bar and restaurant Wusong Road wrote in an Instagram post on Tuesday. "If you know that they dined somewhere please let me know, so we can figure out who these two people are and get our arm back!"

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Surveillance video from the Cambridge, Massachusetts, restaurant shows a man taking photos of a woman posed in front of the giant skeleton decoration that is on the restaurant's patio.

Moments later, the woman is seen taking the arm off the spooky decoration before taking off with it into the night.

The restaurant added that it would offer a $100 gift certificate as a reward for information that leads to the recovery of the giant skeleton arm.