[s12e23] At Last Site

: Meredith decides to sell the house Derek built (the "Dream House") to Callie and Penny, as she feels she is finally ready to move on from that chapter of her life. Major Character Developments Development Meredith Grey

Explain the and why his arrival was so controversial.

Give you a breakdown of the to see how these cliffhangers resolve. [S12E23] At Last

It creates a dynamic, as Maggie reveals to Meredith that she also has feelings for Riggs, unaware that Meredith just hooked up with him.

The episode centers on several couples reaching critical turning points. After a season of "will they/won't they" and professional tension, Meredith finally gives in to her attraction to Nathan Riggs. Meanwhile, Owen and Amelia take a massive leap in their relationship, while Jo and Alex hit a definitive wall regarding their future. : Meredith decides to sell the house Derek

: Alex is tired of waiting for Jo to marry him. He gives her an ultimatum: marry him or they are done. Jo refuses to give him a straight answer, leading to a devastating breakup. It is hinted that Jo has a deep secret preventing her from saying "yes."

Officially begins her first post-Derek "tryst" with Nathan Riggs. It creates a dynamic, as Maggie reveals to

Overcomes her fear of commitment and accepts Owen’s proposal.