Ep 20. AC/DC

In Brooklyn Nine-Nine season 2 episode 20, titled "AC/DC," the detectives of the 99th precinct are tasked with investigating a theft at a rock concert. The band AC/DC is performing in Brooklyn and a group of robbers have stolen their equipment truck. Detective Jake Peralta, played by Andy Samberg, is particularly excited about the case, as he is a big fan of the band and has been looking forward to the concert.

As the investigation gets underway, Jake and his partner Detective Terry Jeffords, played by Terry Crews, discover that the robbers are actually former members of a successful rock band who have fallen on hard times. In an effort to make some quick cash, they have turned to stealing equipment from other bands.

Meanwhile, Detective Rosa Diaz, played by Stephanie Beatriz, is dealing with personal issues of her own. She has recently broken up with her girlfriend and is struggling to cope with the emotional fallout. She confides in her friend and colleague, Detective Amy Santiago, played by Melissa Fumero, who offers her support and tries to help her move on.

As the investigation into the theft heats up, the detectives of the 99th precinct race against the clock to find the stolen equipment before AC/DC's concert is ruined. The case takes them on a wild chase through the streets of Brooklyn, as they try to track down the robbers and recover the stolen gear.

In the end, the detectives are able to solve the case and recover the stolen equipment in time for AC/DC's concert. The band rocks the house, and Jake gets the chance to meet his musical idols and show them some of his own guitar skills.

Overall, "AC/DC" is a fun and fast-paced episode of Brooklyn Nine-Nine, with plenty of humor, action, and heart. Fans of the show will enjoy seeing their favorite characters take on a new challenge, while newcomers will find plenty of reasons to get hooked on this entertaining and smartly-written series.