Rick moves in with his daughter's family and establishes himself as a bad influence on his grandson, Morty.

When a massive head descends into Earth's atmosphere, Rick and Morty must save the planet by coming up with a new hit song. Meanwhile, Jerry, Beth, and Summer become part of a new religion.

Rick joins in on hijinks while Beth and Jerry sort out relationship issues.

Morty's memories are restored and we learn the truth in this one broh.