The series was marked for the third anniversary installment of the Precious Hearts Romances television adaptations for giving Three Years of Many Top Rating Serials and is the first adaptation to have a Fantasy Action Adventure for Television under 'Precious Hearts Romances' television distribution.
Synopsis
Silang is, a fierce warrior from the ethnic group Tanah, The begotten son of Lucio and Salve who is prophesied to bring the long-lost mythical precious gem in Tanah which is believed that will bring prosperity and reconciliation between the two raging clans of Lucio and Biano.
He fell in love and set to marry his childhood sweetheart Giana, daughter of Biano, if and only if Silang brings the precious gem in Tanah. This is the only condition given by Biano for Silang before they get married.
As Silang journeys in the city to unfold the mystery of the missing precious gem, he will meet Sapphire Salvador. She is a very sophisticated but charitable woman and will soon marry an eligible bachelor, Aldrich Zaragosa, who is oddly missing on their wedding day. Sapphire is also the unica hija of the owner of Gemini Industries, Donato Salvador who is associated and lead to the missing precious gem.
Silang and Sapphire will go hand-in-hand in search for the truth about the precious gem. Through Sapphire, Silang's quest for 'hiyas' will fall into his hand as the two went into life-threatening danger. Thus, what they've been through will draw their hearts close to each other.
The television series was set in production in mid-2010 and was originally supposed to be released in April 2011 for the Kapamilya Gold line up for its 2nd Anniversary offering but due to numerous schedule conflicts and new lineups of soaps such as Reputasyon and Mula sa Puso it was cancelled. The series was finally decided to be aired on May 28, 2012 after the success of its preceding soap PHR presents: Lumayo Ka Man sa Akin.
Joem Bascon and Nonie Buencamino who portrayed Biano (as young and old, respectively) played their respective antagonist roles in Walang Hanggan as Tomas and Miguel, respectively.
Production
Hiyas is not available in all ABS-CBN Regional Network Group (now ABS-CBN Regional) channels due to local versions of TV Patrol on the same time slot. Instead a replay of recent broadcasts are shown the next day mostly Tuesdays-Friday and Monday on its morning or afternoon block, depending on the station.