In the fifth episode of season 7, titled " Along Comes Mary ," the Liars face the immediate aftermath of Archer Dunhill's "disappearance" while new and old threats converge on Rosewood. Episode Summary

: While at Ezra's, Aria sees his phone ringing with a call from Nicole , his former girlfriend who was presumed dead. Main Cast & Guest Stars Season 7 Episode 5 "Along Comes Mary" : r/PrettyLittleLiars

Following the accidental death of Elliott Rollins (Archer Dunhill), the Liars scramble to cover their tracks. is released from the psychiatric hospital into the suspicious care of her aunt, Mary Drake , because her father and brother are unreachable. Meanwhile, Jenna Marshall returns to town and quickly forms a sinister alliance with Sara Harvey , positioning them as prime suspects for "Uber A". Key Plot Points

: Aria and Emily track down Archer Dunhill’s secret apartment, discovering a collection of latex masks (including one of Detective Wilden) and a ledger detailing payments to Mary Drake and Jenna Marshall.

: Spencer is desperate to find a missing Caleb Rivers . She enlists Hanna's help and eventually confronts Toby Cavanaugh at the police station, only to realize he knows where Caleb is hiding but won't say.

: In a major relationship milestone, Ezra Fitz proposes to Aria Montgomery . Aria hesitates to answer immediately, haunted by the guilt of Archer’s death.

: Alison discovers that Archer has completely drained her bank accounts, leaving her broke and vulnerable under Mary’s watch.