Hawaii Five-0 (2010)

S10E22 Aloha (Goodbye)

Danny is kidnapped and severely injured by Wo Fat's wife, who seeks the cipher that Steve's mother entrusted to him. Meanwhile, Steve delves into a decade-old mystery left by his father, striving to uncover the truth behind the case. As tensions rise and time runs out, both men must confront their pasts and navigate the dangers that threaten their lives and loved ones.