Decades post-high school, Ram and Jaanu meet at their school’s reunion and explore their past thoughts consisting of affection, care, depth and grieve all over the period of one evening.

Ramachandran aka Ram (Vijay Sethupathi) is a happy-go-lucky freelance photographer. He visits his high school during a trip and is overcome by memories. A reunion is fixed through their school WhatsApp group. At the reunion, Murali, Subhashini, Sathish (Ram’s school friends) catch up. Murali hesitatingly mentions that Jaanu (Ram’s childhood sweetheart) is coming. Ram gets uncomfortable and walks away to be alone. The movie shift’s to Ram’s 10th standard days. Jaanu is a talented singer. Ram reveals since the earliest days of childhood, he and Jaanu have been together. Ram develops a love for Jaanu. On the last day after exams, Jaanu sprays ink on his white shirt and asks him not to forget her.