[s12e23] At | Last

: After weeks of bickering over patients and Meredith acting as a barrier between Riggs and Maggie, the two have a heated argument in the hospital parking lot. The tension turns into a passionate encounter, marking Meredith's first significant romantic step forward since Derek’s death.

Reaches his breaking point with Jo, choosing to walk away rather than stay in limbo. [S12E23] At Last

Explain the and why his arrival was so controversial. : After weeks of bickering over patients and

Struggles with Kyle’s (Wilmer Valderrama) health decline and her choice to prioritize her career over their relationship. Explain the and why his arrival was so controversial

is the 23rd and penultimate episode of the 12th season of Grey's Anatomy . It primarily focuses on the shifting romantic dynamics at Grey Sloan Memorial, the culmination of Amelia and Owen’s relationship, and a major romantic breakthrough for Meredith. Episode Summary

Officially begins her first post-Derek "tryst" with Nathan Riggs.

Her refusal to marry Alex sets the stage for the reveal of her "Paul Stadler" backstory.