As a part of Mother's Day mother-daughter bonding, Kim and her mother Dr. Possible decide to foil Drakken's latest scheme together. Drakken, on his part, is forced to deal with the presence of his mother while he attempts to steal a batch of Syntho-Plasma.

While Kim and Ron are at the Museum, she discovers that one of her ancestors was a thief and she decides to figure out what really happened in order to clear her family’s name. However, after a bunch of bizarre coincidences connects the events on that day with that of Wade and Dr. Drakken’s ancestors as well, she soon believes she may be close to figuring out what exactly happened to cause her ancestor to get framed, though Ron keeps feeling that something about their predicament just doesn’t feel right.

When Dr. Drakken is ordered by his mother to look after his cousin which turns out to be Motor Ed, Drakken and Motor Ed work together to complete a “Doomvee”, which is a Humvee that is full of superior weaponry. Meanwhile, Kim is feeling alone because Ron is spending the weekend with Felix instead of her, which causes her to become desperate because she needs some social interaction. Kim attempts to hang out with Ron and Felix despite the fact that she hates doing whatever they do, but when Dr. Drakken and Motor Ed steal Felix’s wheelchair, they work together to see if they can retrieve his wheelchair back and put an end to their evil plan.