Retired cop turned P.I. Harry Brown turns to FIve-O, having been wounded while tailing Celine Stratham, whose wealthy husband Thomas hired him suspecting her of adultery, but unable to prevent her being kidnapped by masked men, who also abduct Thomas's mistress Natasha Baron. After a ransom is demanded, Steve's team tracks them down at the handover by Thomas, shoots one and untangles an unsavory web of multiplicity. Meanwhile Danny racks his brain how to spare his children now his ex Rachel's husband is moving to the mainland for his dream job.
—KGF Vissers