A married couple are faced with a difficult decision – to improve the life of their child by moving to another country or to stay in Iran and look after a deteriorating parent who has Alzheimer's disease.
Ford Brody, a Navy bomb expert, has just reunited with his family in San Francisco when he is forced to go to Japan to help his estranged father, Joe. Soon, both men are swept up in an escalating crisis when an ancient alpha predator arises from the sea to combat malevolent adversaries that threaten the survival of humanity. The creatures leave colossal destruction in their wake, as they make their way toward their final battleground: San Francisco.
A young campaign aide gets in way over his head when he sleeps with the wife of a presidential candidate, sending him into a downward spiral of corruption and blackmail.