As Jake, Katagiri, and Samantha pursue the truth about Polina, Sato clings to life--but not all of Chihara-kai are hoping for his full recovery.

As Jake and Katagiri seek new meaning at work, Samantha confronts a thief in her club, and Chihara-kai welcome a returning member.

Katagiri and Nagata ramp up their efforts. Jake gets invited to an exclusive party. Samantha and Sato deal with a growing problem at the club.

As the new yakuza task force takes off, Ishida calls a summit. While Sato and Hayama join forces, Katagiri and Jake investigate a mysterious return.

After a disastrous setback, Sato and Hayama strategize a way forward. Jake and Katagiri pursue their target--and try not to land in his crosshairs.

Chihara-kai attempt to regroup after a devastating shootout. Jake, Katagiri, and Nagata pursue a tip from Samantha.

A death at Chihara-kai causes upheaval. Jake makes a long overdue visit home. Katagiri hopes a perp will help break his case wide open.

Jake's successful trip to the U.S. propels the group in a new direction, while Katagiri struggles with his case's devastating turn of events.

Jake confirms the truth behind Tozawa's transplant surgery in the USA and seeks out Soto so that he can protect him while he writes his newspaper story in a safe house.

As Jake and Katagiri close in on a crucial piece of evidence, Sato prepares for the greatest power move of his life, and Samantha arranges an important meeting.