Based on the novel “The Three of Us“ by Oles Dovitnyi. Student Viktor Borovskyi becomes a member of an illegal student revolutionary organization, which soon becomes of interest to the police. Once in jail, Viktor cannot stand the interrogations, gives out the addresses of the organization's members and becomes an informant. He informs the police about the upcoming assassination of one of the tsarist generals. During the assassination attempt, the police arrest a girl terrorist, but the general is killed by the bullet of another revolutionary.