It's 2024 and Billie Joe Armstrong the lead singer of the rock band Green Day is a single dad to a 15 year old daughter with Down Syndrome Emma Armstrong who's 5 months pregnant. Billie and Emma live with Billie's two married best friends the other guys in Green Day bassist Mike Dirnt and drummer Tre Cool. Mike and Billie met in 5th grade. Tre Cool and Mike Dirnt are best friends that have been married forever. Abby is a long time Green Day fan who is a simple young working girl with a crush on the one the only Billie Joe Armstrong.