Kelvin (Ge Pamungkas), a would-be architect, plans to marry his girlfriend, Mila (Pamela Bowie), since high school. In order to apply for Mila, Kelvin records their love journey by creating a vlog, assisted by Lukman. It turns out the making of vlogs opens up things that have not been considered by Kelvin and Mila. Many misunderstandings, and conflicting points of view happen. On Mars Met Venus (Girls Part), the portion of girls dominates, Two of Mila's ever-present friends: Icha (Ria Ricis) and Malia (Rani Ramadhany) always support and give advice about her relationship with Kelvin.
The film consists of two parts. Part two: PartBoys follows..