Tommy's ex shows up she's getting married, and she wants Mother of the Bride (the wedding band) to take their place. it's a chance to impress Sara's wedding planner, whose firm handle every five-star event in Seattle.
Despite knowing better Eddie is forced to enlist Tommy to watch his kids. Rachel also enlists Tommy to keep an eye on her fiancee because she doesn't trust his best man, who turns out to be Eddie's co-worker and rival, Cooper.
Rutherford is hired to plan an adult prom by her high school nemesis. who tortures her just like in high school. Tommy starts dating a girl who is his Kryptonite. Stevie dates a girl with a special move!.
Stevie is babysitting Courtney love's instruments Tommy convinces him to let the band use them. They have a run-in with a boy-band-cover band, and the instruments are stolen. Tommy vows to recover the instruments before she finds out.
Tommy's father (played by Gary Cole) shows up and this notorious bachelor is in love and looking to get married for the 7th time. Tommy tries to stop that from happening but is forced to try to rectify this when he realizes his dad really is in love.
Rutherford books the band for an event for a big new client: BUT It's where Eddie works, and his conservative boss doesn't know his up-and-coming VP rocks out on weekends. even worse Eddie's office rival, Cooper, is on his case.
The band is hired to play a divorce party, but it is for a "perfect" couple whose wedding they played. Determined to keep their streak and love alive they must meddle and keep the couple together. despite Rutherford's threats.
