Kazi Delowar Hemonto

On a foggy winter journey, the Bonolota Express carries strangers burdened by secrets whose lives begin to collide within the train’s confined corridors. As the night unfolds, personal and political crises erupt, exposing hidden grief, moral decay, and moments of unexpected compassion amid chaos and revolt. By dawn, the train moves on, leaving its passengers irrevocably changed by a single journey where illusions collapse and human truths emerge.

With her father missing, Saba is the sole caregiver to her paraplegic mother, Shirin, who suffers from acute heart disease. Although Shirin's condition binds them together, her frustration with their situation often manifests as bitterness and anger towards her daughter, so they live in their own separate worlds. When Shirin has a heart attack, Saba races against time to sell their home, lowering the price, and even risking her burgeoning romance with her senior co-worker Ankur — who dreams of starting a new life abroad — to pay for her mom’s heart surgery.

A prisoner appears in Akashnagar Central Jail's Cell No.145, which has been shut for 50 years, and claims immortality. Who is this mystery man, and what secrets does he hold inside him?