When Ravi's daughter's husband, Pushparajan, mysteriously disappears, Ravi initially doesn't want to get involved, but eventually starts to investigate. As he digs deeper, he discovers a web of secrets and lies that threaten to tear his family apart.
Maya the protagonist, on her way to the college, hears a radio news of a strange geometrical figure with the shape of a ‘tetrahedron’ that appears from nowhere besides the Nazca lines in Peru. In the mean time, Maya’s friend Divya’s father, Neelan, goes missing. Few days later he is found from a distant land with signatures of pre-historic habitats around the place. Maya meets a few people from distant lands, of different races, roaming around a desolated architecture. Are they humanoid creatures? By the end of the film, through a dream passage that connects both Maya and Divya, we get to know about the disappearance of Maya.