<P> Lost, which deals with the survivors of a plane crash, sees the castaways on the island forced to deal with a monstrous being that appears as a cloud of black smoke, a conspiracy of "Others" who have kidnapped or killed their fellow castaways at various points, a shadowy past of the island itself that they are trying to understand, polar bears, and the fight against these and other elements as they struggle simply to stay alive and get off of the island . </P> <P> Prison Break follows Michael Scofield, an engineer who has himself incarcerated in a maximum - security prison in order to break out his brother, who is on death row for a crime he did not commit . In the first season Michael must deal with the hazards of prison life, the other inmates and prison staff, and executing his elaborate escape plan, while outside the prison Michael's allies investigate the conspiracy that led to Lincoln being framed . In the second season, Michael, his brother and several other inmates escape the prison and must evade the nationwide manhunt for their re-capture, as well as those who want them dead . </P>

Is it a horror movie or a thriller