Emotions reach a breaking point when Grace and Brett's relationship shows signs of strain due to their demanding and hectic schedules. Meanwhile, Grace finds herself in a perilous situation when mob boss Paul Moretti takes matters into his own hands.

In an attempt to form a coalition of mob factions, Constantine enlists Celeste LaPree, his old girlfriend and former call girl-turned-madam, now married to a hypochondriac mafia boss who runs Chicago's Northside. Meanwhile, Franco has a shocking revelation for Grace, forcing her to make some pivotal decisions about love and loyalty.