A small suburban town receives a visit from a castaway unfinished science experiment named Edward.
When an asteroid threatens to collide with Earth, NASA honcho Dan Truman determines the only way to stop it is to drill into its surface and detonate a nuclear bomb. This leads him to renowned driller Harry Stamper, who agrees to helm the dangerous space mission provided he can bring along his own hotshot crew. Among them is the cocksure A.J. who Harry thinks isn't good enough for his daughter, until the mission proves otherwise.
When his helicopter goes down during his fourth tour of duty in Afghanistan, Marine Sam Cahill is presumed dead. Back home, brother Tommy steps in to look over Sam’s wife, Grace, and two children. Sam’s surprise homecoming triggers domestic mayhem.
