In episode 106, Declan and his partner Ralph (Tony Viveiros) are involved in a shooting; Eileen goes off the rails; Tommy pays back a loan; Mary Rose gets caught smoking pot.
Michael tries to avoid being whacked when his nemesis is released from prison; Tommy gets passed over for the House speakership and must rebuild his political career; Rose's health deteriorates.
Michael struggles to recover from a brutal beating while consolidating his power; Tommy maneuvers to win reelection as he distances himself from his brother's criminal activities; Rose sows unrest between her sons.
Michael returns home after seven years on the run and reestablishes his criminal empire; Tommy tries to stay on the straight and narrow while representing his district; Eileen cheats on her husband and descends into drug addiction.