Good samaritan Luka stops to help a woman with a dead battery, and comes to her aid when she is hit by a reckless driver. Abby discovers that she passed her boards. Pratt is concerned about Chen when she comes to work with a black eye. Neela withdraws from her residency program at the University of Michigan, knowing that she can't be licensed without an internship. When Steve announces his intentions to stay in Chicago, Sam hurriedly leaves town despite Luka's attempts to stop her. The custody battle for Henry Lopez goes before a judge. While Pratt drives Elgin Gibbs home en route to dinner with Chen, the three are shot at by an irritated driver.