Amid financial struggles, Runa discovers a mysterious box in her bank's record room, changing her life forever.

Runa's sudden shift in behaviour shocks everyone. Meanwhile, the real owner of the box frantically searches for it.

Runa enjoys a luxury vacation in Cox's Bazar while the goons kidnap other bank employees in search of the box.

While Runa is away on vacation, her hidden fortune gets stolen in an irony of fate!

The goons and office miscreants relentlessly search for the box, with Runa now being their ultimate prey.