Minsan Pa Nating Hagkan Ang Nakaraan

Helen dreams of working as an engineer for an architecture firm run by her idol, Cenon. Helen's rival, Rod, also dreams of becoming an architect for the same firm. The two hatches a plan to sneak in the firm as their shared dream becomes one step closer to reality.

After joining Cenon's program, Cenon dissuades Helen into continuing further. Rod continues to earn his place in the program, determined to be recognized. The lovers continue to navigate their place in the firm as reality starts to creep in outside of their ambitions.

Prime actress Cristine Reyes and Marco Gumabao team up with the award-winning Cesar Montano in the series remake of a classic film written by Carlo J. Caparas. Fate brings past lovers Helen and Rod closer resulting to a forbidden love affair.

Rod pursues his dreams abroad, entering a long-distance relationship with his fiancée, Helen. They begin to experience the complications of their situation as a couple when Rod's sudden disappearance becomes a mystery, urging Helen to investigate further.

After saving her former idol and mentor's life, Helen rekindles her friendship with Cenon. Helen also receives an unexpected message on her phone and embarks on a working spree, determined to save money for a flight abroad and to confirm Rod's fate.

Years passed after the death of a loved one, Helen is now happily married to Cenon while she's studying to become an engineer. Their peaceful lives come into a halt, when a shadow of her past resurface.

With the return of her former fiancé, Helen attempts to ignore her past. Meanwhile, Rod is determined to reach out to Helen and applies for a position in an architecture firm owned by his former mentor and ex-fiancée's husband, Cenon.

Rod's family demands an explanation because of his sudden arrival. He becomes determined to pursue Helen, that leads to other people's speculations about their real relationship.