Xander Villavicencio and Ysabella Gozon have been together for 5 years, and were finally getting married. However, their supposedly happy-ever-after story abruptly ended with a runaway groom and a ruined bride. Five years later, with an unfortunate incident, they meet each other again. With both of them realizing they still have feelings for each other, they made a deal to revisit all the memorable places and reminisce the memories of their past in 100 days. With them being basically strangers now, will a hundred days truly be enough?