Jimmy grapples with his guilt over Grace. Paul makes a decision about his relationship. Liz tries to help Gaby find balance in her busy life.

Paul and Jimmy disagree about Sean's treatment plan. Gaby's sister asks for her help. Liz has an idea for boosting business at the food truck.

Jimmy and Brian help Grace deal with unexpected news. Paul and Julie face her past. Liz worries she's come between Sean and his dad.

Paul challenges Jimmy to show restraint with Sean. Derek introduces Gaby to a friend. Liz advises Brian about parenthood.

Jimmy helps Alice cope with a huge mistake. Gaby goes home for a family crisis. Liz runs into an old flame.

Paul and Jimmy look for Sean's dad. Gaby tries to keep Liz from sinking. Alice is surprised to find out who Brian has been spending time with.

Jimmy spends the day with a patient. Brian crashes Gaby's date. Liz heads down a dangerous path.

Jimmy faces Alice's secret. Liz and Derek are at a crossroads. Paul worries about his health.

While trying to stay out of Alice's business, Jimmy has to "Jimmy" an insecure Brian. Gaby leans on Paul for advice after her sister drops a bomb.

Jimmy orchestrates an unforgettable 18th birthday celebration for Alice while Paul assists Gaby in making a life-altering choice.

Paul encourages Jimmy to seek help. Brian and Derek take Sean to look for a new place. Gaby struggles with her guest list for Thanksgiving.