A horror film starring Nora Aunor and Bianca Umali. Set in Siquijor, a Mananambal is a Filipino practitioner of traditional medicine, who is also capable of performing sorcery.

Mar and Cynthia celebrate their anniversary during the wrath of Ondoy. After the typhoon, they closed down their factory and tried to sell it. Soon after, one by one each of her family members starts to die due to drowning caused by a dark, hidden secret they've done in the past.