A Marine veteran working as a school janitor tries to mend his relationship with his son after a divorce. When his son is killed by a police officer found innocent without standing trial, he takes matters into his own hands.

In the bosom of Suburbicon, a family-centred, all-white utopia of manicured lawns and friendly locals, a simmering tension is brewing, as the first African-American family moves in the idyllic community, in the hot summer of 1959. However, as the patriarch Gardner Lodge and his family start catching a few disturbing glimpses of the once welcoming neighbourhood's dark underbelly, acts of unprecedented violence paired with a gruesome death will inevitably blemish Suburbicon's picture-perfect...