Conclusion of the second-season finale. In the fallout from the explosion, the staff attempt to save one of their own as Patrick and Jagger hurry to diffuse a second bomb. Meanwhile, Robert and Anna make major decisions; and Kyle and Claire reestablish their friendship.
In Part 1 of the two-part second-season finale, a comatose Robert is visited by old friends and family, including Mac, Luke, Sean and Tiffany. Elsewhere, Jagger is served custody papers; Toussaint receives a surprising letter; Claire makes a major career decision; and Kyle and Eric hit a turning point in their relationship.
When Robert has to have emergency surgery, Robin leans on her mother (Finola Hughes). Meanwhile, the staff must treat a group of racist patients, and Kyle struggles to forgive Claire and Leo for sleeping together.
Leo and Kyle are unprepared when their mother pays them a surprise visit. Meanwhile, Kyle is intrigued by new patient Eric Whitlow (Chad Allen); Claire admits a secret; Patrick finds himself in an uncomfortable situation; and Robert looks at Robin with newfound perspective.
Jagger is alarmed when Stone has a seizure and is rushed to the ER. Meanwhile, Patrick feels ignored when a busy Robin devotes her time to her dad and Jagger; Claire and Leo feel guilty for taking their relationship to the next level; and Kyle is happy to head up Saira's study on breast milk.
The FBI learns that someone is selling human organs, so Jagger must investigate the hospital. Meanwhile, Robert reaches his breaking point as a patient, and relationship issues plague Leo and Saira, as well as Toussaint and Epiphany.
As Robert undergoes surgery, Robin must make a decision regarding his life. Elsewhere, Leo and Saira work together to help a patient; Jagger seeks out an autism support group; and Claire clashes with an old classmate.
Patrick looks at Robin's HIV status with a new perspective after meeting a couple who are quarantined from one another. Meanwhile, jealousy causes Leo to try to keep Jagger and Saira apart; Robert suffers another setback; and Claire signs Kyle up for Internet dating---without telling him.
Robin clashes with her father's willful side when she catches him trying to leave the hospital, while Kyle discovers a new side to his brother when he witnesses Leo dealing with a patient's lesbian partner and homophobic family. Elsewhere, Jagger struggles with allowing Saira to work with Stone; and Toussaint and Claire get surprised by a corpse.
Patrick gets attacked by a woman speaking French, then he and Robin deliver bad news to Robert. Meanwhile, Jagger has Saira evaluate Stone; Toussaint takes Epiphany on their first date; and Kyle gives a sex-ed lesson to a group of senior citizens.
Robin is surprised when an uncooperative plane-crash victim in the ER turns out to be her father (Tristan Rogers), and then she grows concerned when he doesn't recognize her. Elsewhere, Saira and Leo try to deny their mutual attraction; Kyle and Claire have some disagreements as roommates; and Toussaint and Epiphany discuss their relationship.
Robin doesn't have much time to find a donor for an ill little girl who was adopted from China, and she uncovers a secret about the child during her search. Elsewhere, a drunken patient pursues Claire; Leo and Kyle try to put their differences aside; and Jagger and Robin have a heated fight about Stone.
The second season opens with a car crashing through the ER and injuring some staff members. Meanwhile, Jagger Cates (Antonio Sabato Jr.) returns to town and has a surprise for Robin; Toussaint comes back to the hospital after being on tour with his group; and new interns Kyle and Claire commiserate with one another over the strictness of their new superiors.