Jesse Downs

A patient suffering from anorexia can't gain the necessary weight needed to survive heart surgery, so Claire suggests they perform an experimental surgery which Melendez strongly opposes. Shaun worries Glassman's refusal to walk the hospital floor will keep him from being discharged and tries to persuade him to ambulate. Meanwhile, Shaun and Lea change the terms of their current relationship.

The team sets out on a rescue mission for Abe and Dariela's son, Isaac (Jesse Muhoozi). Then, in search of information on a new hybrid, Mitch and Jamie travel to California, where they cross paths with a familiar face from their past.