One whirlwind week of love, blackmail, and betrayal in teeming prewar New York. June 1939. Francis Dempsey and his shell-shocked brother, Michael, are on an ocean liner from Ireland bound for their brother Martin's home in New York City, having stolen a small fortune from the IRA. During the week that follows, the lives of these three brothers collide spectacularly with big-band jazz musicians, a talented but fragile heiress, a Jewish street photographer...