Frankie rescues a lost dog and takes solace in the unconditional love she receives; Sue surprises her parents when she makes the volleyball team; Axl asks Brick for help with school.

Frankie has to wash dishes with a hose after the kitchen sink packs up. Sue has to learn a complicated dance routine so she can pass phys ed.

When Frankie's uncle contacts her dad hoping to make amends, Frankie and Mike are caught in the middle of their feud. Sue turns to Axl for advice when she is sent to detention for the first time.

Sue prepares for her graduation and worries the day won't go perfectly. Meanwhile, Brick gets the opportunity to skip a year in school and Axl grows concerned about Devin's fun summer pictures she posted on social media.

Mike enlists Axl and Brick's help to throw a surprise party for Frankie's 50th birthday. Meanwhile, Sue is mocked after posting a flyer for her missing sock in the dorm laundry room; and Coach Babbitt is determined to turn Brick into an athlete after he turns in a project about how he can't play sports.

Lexie joins the Hecks for their spring break plans where she confesses to Sue that she has a crush on Axl; Mike hires Coach Babbitt as a ringer to help the quarry softball team; Frankie tries to figure out the root of an underhanded comment.