Be Careful With My Heart” teen stars Janella Salvador and Marlo Mortel will star in the upcoming drama episode of ABS-CBN’s “Maalaala Mo Kaya” this Saturday (February 22). They will play the roles of rival honor students Neneng and Celo, who will eventually find themselves bound by love. How will their love-hate relationship lead to romance? Will competition reignite between them once one of them gets more successful than the other?