Watch On Fire Full Movie Free Online 123Movies. Joe is an arson investigator for the fire department. He has a loving and devoted wife and has two just as loving and devoted sons. Things couldn't be better for him until he learns that the department wants to retire him. He does so reluctantly. He then falls into a deep depression because, while most people look forward to retirement, he doesn't. So, his wife and children do their best to lift his spirits but all he does is push them away.