Nancy (Anastasia Griffith) must face one of her greatest phobias while treating a construction worker trapped underground after falling down a manhole. Meanwhile, Rabbit (Cliff Curtis) and Marisa (Aimee Garcia) are on the scene of a bank robbery to treat the injured. Elsewhere, Boone (Derek Luke) has a new position and his first decision may jeopardize the career of one of his own. Jamey Sheridan, Kevin Rankin and Taylor Kinney also star. Scottie Thompson, Ryan Michelle Bathe, Steven Anthony Jones, Sasha Barrese, Derek Phillips and Carl Lumbly guest star.