"Nang Ngumiti Ang Langit" is a touching story of a child who reminds viewers of the importance of forgiveness to save the family. The Kapamilya series introduces Mikmik (Sophia Reola), an enthusiastic girl who grew up with her loving mother Ella (Kaye Abad). Their happy lives are disrupted when her mother gets ill with leukemia. In her pursuit to help her mother live, she learns the truth that her mother is an illegitimate child of the Salvadors, one of the wealthiest families in the country.

She tries to ask for help from Divina's (Pilar Pilapil), the Salvador matriarch, but she will be turned down until her mother dies. She then decides to live with the Salvadors in the hopes of being accepted and to find the love she received from her mother. 

But as soon as she steps in the house of the Salvadors, Divina and Katrina (Cristine Reyes) make sure that Mikmik pays for her father's sin, Michael (RK Bagatsing), son of their mortal enemy, who was accused of killing Divina's son and Katrina's husband, Eric (Rafa Siguion-Reyna).

Directed by FM Reyes and Marinette Natividad-de Guzman, "Nang Ngumiti ang Langit" is led by premiere actors RK Bagatsing, Cristine Reyes, Kaye Abad, Enzo Pineda, Pilar Pilapil, Ces Quesada, Matet de Leon, and Keempee de Leon. Also in series are child stars --- Heart Ramos, Miguel Vergara and Krystal Mejes.