December 7, 1941 - TOMIKAZU “TOMI” NAKAJI (Kyler Ki Sakamoto) and his best friend BILLY DAVIS (Kalama Epstein) are playing baseball in a field near their homes in Hawaii when Japan launches a surprise attack on the US at Pearl Harbor. As Tomi looks up at the sky and recognizes the Blood-Red Sun emblem on the fighter planes, he knows that his life has changed forever. Based on actual events, Under the Blood-Red Sun is an unforgettable story of friendship, courage and survival.

With his wife Elizabeth on life support after a boating accident, Hawaiian land baron Matt King takes his daughters on a trip from Oahu to Kauai to confront a young real estate broker, who was having an affair with Elizabeth before her misfortune.

Handsome silver spoon Texan Trevor Forrest can't always control his tendencies to flirt and gamble, even on honeymoon cruise to Tahiti with Lindsey Ross Forrest, which may compromise their business ambitions. The ship captain asks FBI agent Gwen Merced, on cruise, to investigate discretely when Trevor goes missing, probably fallen or pushed overboard as blood traces are found. It's unclear whether the Hungarian business trio Luka, Max and Ben are innocent flirtatious gamblers like Trevor or criminals, but others have hidden agendas too.