Hondo returns as leader; the team is pulled into a dangerous case involving a large stockpile of cash and the Russian mob; Daniel Sr. opens up to Hondo about a painful time in his past.

When a home invasion turns deadly, the team embarks on a race to track down priceless antique artifacts before any more lives are lost; Leroy enlists Hondo's help after an overdose hits close to home.

When a cop on the verge of shutting down a major drug operation is abducted, Hondo and the squad race to save one of their own before it's too late; Luca grows concerned about sudden changes in Hicks' behavior.