After a long and perilous voyage, the Komagata Maru finally docks in Calcutta. Disguised among the crowds, Rash, Kartar, and Pishima arrive to receive the revolutionaries returning home to fight for freedom. But the British are ready for them. As Dyer and Tegart race to unravel the insurgent plot, Rash finds himself trapped at the heart of a conspiracy on the verge of exposure.