House makes a shocking revelation in a bid to save himself from jail time; a firefighter chooses to have a risky, radical treatment on his brain in order to keep a secret.
The team investigates the 1970 murder of a musician who kept his involvement with Philadelphia's music scene a secret from his strict preacher father; Lilly meets her teenage stepbrother.
When detective Tutuola finds security footage of a sportscaster being physically abusive to his girlfriend, Benson seeks help from Assistant DA Barba to convince the victim to fight back.
Mario decides to confront Angus; Christa is faced with a surprise; Dr. Mark Taylor returns to help Leanne find money in the budget for the nurses.
Christa must ignore her personal feelings as she and Grace treat a patient who says he was abused at a camp for troubled teenagers; Campbell surprises Grace by asking her out on a date.
