Stephen is preparing to take over the family business following the death of his dad, but the unexpected arrival of charismatic foster-brother Andrew starts to change everything.
After Andrew is left a share of the business in Laurie's will, he and Stephen have very different ideas about how to clear the pub's debts.
When Andrew's improvements to the pub bring 5-star TripAdvisor reviews pouring in, Stephen worries that the John Barleycorn is pushing its limitations. He soon seems to be proved right.
Stephen and Andrew go on a road trip to meet the pub's suppliers, and Stephen learns more about his life than he would like. Meanwhile Geoff is left to run the pub in his own inimitable way.
After the disastrous pub fire, Cass finally goes off travelling for six months and Stephen makes some quite startling discoveries about life, death and Andrew.
The John Barleycorn is restored and a party is held for what would have been Laurie's 69th birthday. Stephen finds out some enormous news about Andrew that looks like it could be the key to getting rid of him for good.
A man living a double life with two separate families is murdered; Erin asks Anthony to help investigate his former partner; Frank deliberates between two candidates for the chief of transit position.
Danny forces his brother-in-law to help Baez take down the mobsters he's mixed up with; Frank suspects his old partner is guilty of a crime; Jamie is approached by an officer who wants help getting reassigned from his undercover assignment.
Friendship, Love and Loyalty
A woman voices outrage over her son's unsolved murder; Danny re-examines the case; Eddie gets shot while on duty; Erin and her ex-husband face off in court; Frank deals with an angry police force after the mayor fails to defend it.
Danny and Baez race to find a missing girl who will die without her heart medication; Jamie and Eddie are on the wrong side of an investigation after engaging in a car chase; Sean wins an essay contest.
Danny resorts to asking his incarcerated archenemy for help locating a dangerous criminal who escaped from prison; Lugo refuses to assist unless he's allowed to accompany them on the pursuit; Frank tries to convince Jamie to take the sergeant's test.
A down-on-his-luck former poker champ, forced to now work as a bookie's collector, shoots and kills a man who owes money, but the gun was supposed to be filled with blanks. Who is responsible for the incident, and why?
Nichols and Eames search for an adept killer after a woman's murder.
When a model turns up dead after a night of sex and drugs with an elusive woman, Goren and Eames uncover the sexual paranoia behind the murder.
With banks failing, an aging revolutionary believes the time is right to spark a populist uprising, and he orchestrates the kidnapping of one of the country's most powerful bankers.
Loyalty: Part 1
Capt. Ross finds himself in the center of an overseas conflict.