Maren has been very close to her mother, so she is not happy when she discovers that she will soon have a new stepfather, and when she meets his twin children she is not sure that even her three friends, Delaney, Ashley, and Willow, can pull her through--especially after the twins shave Ashley's dog Coco during a particularly disastrous sleepover.

Contains excerpts of the next Sleepover girls series.