When Luna, an architecture student, meets Kalix, a pre-law student, she knows it's love at first sight so she makes the first move. Years after, Luna, now an architect, bumps into Kalix, now a lawyer, again but all she has for him is hatred.

Luna finds herself on Kalix's bed one morning. Via, Sam, Yanna and Kierra ask her about their real status, but she's as confused as them because she doesn't know if Kalix and Amethyst, a pre-law student, are together.

Sick of receiving mixed signals, Luna confronts Kalix about them. He takes her to a secret place where Luna will feel that she is special.

Luna and Kalix spend their first romantic getaway as a couple in Boracay. Meanwhile, Kierra introduces her "boyfriend" Miguel to the girls. They start to suspect something is not right with the guy.

Luna and Kalix get to celebrate their first holiday season together in New York where many "firsts" happens, including meeting Kalix's parents.

Blaming herself for what happened to Kierra, Luna is at her lowest point. What makes it worse is that she finds out about Kalix's cheating. It is the end of LuKal?

Many years later, Kalix asks Luna to be the lead architect of his resthouse in Tagaytay. All conditions are met by Kalix to make sure he'll get her "YES".

Kalix and Luna together again... but just for a special project. Now that Luna becomes more open to work with Kalix, will she start to reopen her heart for him?

All professionals now, Luna, Kierra, Yanna, Via and Sam set a vacation in Boracay. But as she tries to open her heart for him, her unresolved issues with Kalix resurface.

Luna and Kalix are back in each others' arms but their story isn't over yet for a big surprise is about to unfold.