Plot summary
Christy and Jill take Emily to meet her biological mother Natasha ( Missi Pyle ) in a rehab facility. Christy is shocked when she sees Natasha, remembering her from her days as a stripper, and starts helping Natasha deal with her large array of self-inflicted problems. Meanwhile, Bonnie has to take care of Adam's ageing dog while he attends a funeral in Hawaii. Title meaning: Bonnie asking Jill to pick up the bill at a lingerie store and her shock as to why Adam has to leave town.
Credits
Adapted from Wikipedia contributors, Mom season 4. HTML formatting and reference markers removed.