Silent Shadow

Gigi wants to be a famous singer and enlists the help of her once famous father and his old band.
Izzy is Gigi's twin sister who doesn't speak and is always in the background but doesn't seem to care. She wants nothing to do with their father or the band...or does she?

A middle-aged once famous rock singer, who desperately wants his glory days back, finds out he has a talented daughter, who wants to reunite and front his old band - and date his guitar player. His other daughter is mute and doesn't seem to care much about the band and might have a crush on the guitar players daughter.
They're dysfunctional, but they don't care.