The episode centers on unknowingly sparking a fierce rivalry between residents Dr. Danica Powell and Dr. Daniel Perez by introducing a new, data-driven performance rating system. Key Plot Points

The episode ends with two major shocks: Shaun and Lea discover they are pregnant, while Dr. Jordan Allen finds Dr. Perez unconscious in his home after a tragic drug overdose.

Watch the official winter finale promo to see the intense moments leading up to these major life changes: