The team operates on a military reenactor whose attempt at authenticity has created an explosive predicament; Dr. Jordan Allen and Dr. Daniel Perez are in a race against time as they search for a severed foot.

In the midst of a heatwave, Dr. Shaun Murphy and Dr. Danica Powell are at odds when it comes to their patient's surgery. Their heated stalemate tests Shaun's patience and his willingness to compromise. Meanwhile, when the hospital loses power, Lea and Dr. Aaron Glassman are forced to come up with a quick solution or risk a total shutdown that could risk patients' lives on the 100th episode of the series.