In New York City for their annual tradition of Christmas Eve debauchery, three lifelong best friends set out to find the Holy Grail of Christmas parties since their yearly reunion might be coming to an end.

Some of Sin City’s most hard-boiled citizens cross paths with a few of its more reviled inhabitants.

Cobb, a skilled thief who commits corporate espionage by infiltrating the subconscious of his targets is offered a chance to regain his old life as payment for a task considered to be impossible: “inception”, the implantation of another person’s idea into a target’s subconscious.