The latest instalment picked up where the season one premiere left off – with Archie rushing his dad Fred to hospital after he was shot.
Fred pulled through, but another character wasn’t quite as lucky.
Miss Grundy returned in the final moments and was back to her old tricks, kissing a pupil as he left her home.
Once she was alone, the same attacker who shot Fred grabbed her from behind and strangled her.
How many episodes are in Riverdale season 2?
The new season has 22 episodes – nine more than season one.
When is the next episode of Riverdale season 2 out?
Sadly for binge-watchers Netflix is drip-feeding Riverdale season two, with new episodes arriving weekly.
Episode two, officially called Chapter Fifteen: Nighthawks, will be released on Wednesday October 18.
Riverdale season 2: Archie realises that the killer is out to get his loved ones
Riverdale season 2: Archie comes up against the Angel of Death in the episode 2 trailer
What will happen in Riverdale season 2 episode 2?
A first-look trailer confirms that Ms Grundy is dead, after the shock attack at the end of episode one.
“This was a crime of passion,” Betty’s mom Alice Cooper says.
Archie realises that the killer is going after his loved ones, saying: “Some crazy person is going after the people I care about.”
The flame-haired hero could be in trouble, as he comes face-to-face with the Angel of Death.
Meet the cast of Riverdale
Thu, June 1, 2017
Riverdale: Meet the gorgeous cast of the popular Netflix show.
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Meet the cast of Riverdale
Elsewhere Jughead’s problems continue as he learns his father is facing 20 years in jail for his part in covering up Jason’s murder.
Veronica is also having family dramas now that her father Hiram is back on the scene.
“Don’t you think I want everything to go back to the way it was?” she asks, as Hiram and Hermione cosy up.
Cheryl and Betty’s rivalry looks set to continue, with a tense showdown in the locker room.
"Are you threatening me?” Cheryl asks, to which Betty replies: “No, this is fun girl talk.”
Riverdale season 2: Hermione and Hiram cosy up
The official synopsis for the episode reads: “With the gunman still at large and the residents of Riverdale on edge, Betty (Lili Reinhart) leads the charge to save Pop’s after learning that the diner may be forced to close its doors forever.
“Meanwhile, the gang becomes increasingly concerned for Archie’s (KJ Apa) well being after noticing a string of unusual behavior from him.
“Elsewhere, Betty and Veronica (Camila Mendes) approach Cheryl (Madelaine Petsch) and Josie (Ashleigh Murray) for their help saving Pop’s, while Jughead’s (Cole Sprouse) attempt to find FP (Skeet Ulrich) a new lawyer may have some serious repercussions.
“Finally, when a past betrayal unexpectedly comes to light, Veronica finds herself at a crossroads with Hiram (Mark Consuelos) and Hermoine (Marisol Nichols).”