Annie (Tart Carlos) revisits her memories of Rex (Zaijan Jaranilla) as she celebrates Mother’s Day all by herself. Unknown to her, Rod (Raul Montesa) and their children are preparing a surprise. After Rex's hapless fate, Rod gets crushed by thoughts of being a derelict father. Meanwhile, Mommy Sugar’s (Iyah Mina) interest in Rex’s family comes under scrutiny—until an accidental discovery shakes Rex’s family to the core.