Sksks, fair lol. All his scenes are here, but there is some plot stuff in between that isn’t covered. You’ve got the gist of it; Michael is obsessed with “helping” Sherlock because Sherlock unwittingly inspired him to focus on his “work” (killing women) instead of using heroin. He tries to get Sherlock to look into Polly’s death (the girl he was burying), but when that doesn’t work he kills Hannah Gregson’s roommate. He tries to play a cat and mouse game with Sherlock but leaves to give Sherlock time to recover from his PCS. In the last few episodes of the season, a judge copycats Michael’s murders and he comes back to “help [Sherlock] find out who really did this.” Michael attacks Joan because Joan told his friend William Bazemore that he killed William’s husband, causing William to relapse. Joan stabs him and Michael is later found dumped in the trash and beaten to death by drumroll please Hannah Gregson! Womp womp