"Riverdale's" central mystery is deepening with every episode, as the teen noir series takes Archie and his gang where they've never ventured before. The drama will continue to unfold over the next few weeks, and a new synopsis reveals that the residents of Riverdale will soon have to grapple with Jason Blossom's funeral.

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The fifth chapter in "Riverdale's" first season, titled "Heart of Darkness," will air on February 23 and feature a number of surprise reveals and unlikely alliances.

THE HOUSE OF SECRETS AND LIES — With Jason’s funeral around the corner, the Blossom family moves forward with last minute preparations – and a secret agenda. Meanwhile, Archie’s (KJ Apa) attempt to refocus his energy on football comes to a halt when an opportunity to work with a new music mentor presents itself. Betty (Lili Reinhart) dives deeper into her investigation of Jason’s death and unearths some dark revelations about her family. Elsewhere, after uncovering secrets about her own family, Veronica (Camila Mendes) forms an unlikely friendship with Cheryl (Madelaine Petsch), who is having a tougher time with Jason’s impending funeral than she lets on. Finally, Hermoine (Marisol Nichols) turns to Fred (Luke Perry) for help after receiving a cryptic message from the Southside Serpents. Cole Sprouse and Madchen Amick also star. Jesse Warn directed the episode written by Ross Maxwell.

Starring K.J. Apa as Archie Andrews, “Riverdale” airs Thursdays at 9 pm on The CW. The series also stars Cole Sprouse as Jughead Jones, Camila Mendes as Veronica Lodge, Lili Reinhart as Betty Cooper, Ross Butler as Reggie Mantle and more. “Breakfast Club” alum Molly Ringwald also recurs as Archie’s mother Mary.