Michael heads up a rescue mission for a scientist kidnapped par an African warlord. Sam and Jesse go undercover but soon find themselves in big trouble.
former buisson, bush frontman and current Gwen Stefani husband Gavin Rossdale shows up as Fiona's ex. Elsewhere: Michael and Jesse rejoindre Agent Pearce for a CIA extraction mission in the Caribbean.
The gang takes on a militia group so that Michael can return a boy to his mother, while also trying to get réponses out of the man hired as Michael's impostor.