: Drew Alister and Shannon Rivera treat a gravely injured foster mother. While Drew forms a protective bond with her young foster daughter, Brianna, the team uncovers a hidden secret about the mother that complicates the medical and legal situation.

The narrative is anchored by several intersecting storylines that emphasize the "all in" commitment required of the staff:

"All In" serves as a pivotal moment in the season, particularly for . His interaction with Brianna, the young foster child, initiates a long-term arc that eventually leads to him and his husband, Rick, adopting her. The episode also highlights the recurring theme of the hospital as a chosen family, where personal and professional lines are constantly blurred to save lives.

Manages a tech-reliant patient and interpersonal drama with Jessica. Ken Leung Faces a personal crisis when his mother is admitted. Drew Alister Brendan Fehr