Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: What was Jack Morrison's profession? Movie plot title: Ladder 49 Movie plot: The film opens with Baltimore firefighter Jack Morrison (Joaquin Phoenix) saving a man's life in a massive four-alarm fire in a 20-story concrete grain elevator/warehouse in the Canton waterfront neighborhood of Baltimore, Maryland; however the grain being stored in the warehouse explodes, sending Jack falling through several floors, breaking his leg on landing. The film follows the efforts of the other men in his unit, Ladder Company 49, led by the commands of Deputy Chief Mike Kennedy (John Travolta), Jack's longtime mentor, to rescue him while Morrison tries to reach a safe area of the burning structure. Interspersed with the current rescue efforts are a series of flashbacks showing how Jack joined the fire department, his first meeting (at a supermarket) with the woman who would eventually become his wife (Jacinda Barrett), his relationship with his children, and the bonds he formed and the trials and tribulations he endured with his fellow firefighters. After graduating from the fire academy, Jack is sent to work on Baltimore City Fire Department (BCFD) Engine Company 33, in the busiest firehouse in the city. Quartered with Engine 33 is Ladder Company 49. On Engine 33, Jack learns the ropes of firefighting. He quickly becomes close friends with his fellow firefighters, including Kennedy, his Captain at the time. Jack's first fire takes place at a burning vacant rowhouse. Engine 33 and Ladder 49 respond and are the first companies on the scene. Jack and Mike enter the building with a hose line and tackle the blaze, with Jack on the nozzle of the hose. They quickly and triumphantly extinguish it. After some time working on Engine 33, Jack arrives at the scene of another vacant rowhouse fire, where a fellow firefighter from Ladder 49, Dennis Gauquin (Billy Burke), dies after falling through a roof of the building. Jack decides, although it is more dangerous, to take his friend's position as a "truckie", a search and rescue member on Ladder 49 by transferring to the Truck. As the years go by, Jack suffers...
Firefighter